Our Newsletter, Event Horizon, is a newsletter that is published by the San Mateo County Astronomical Society. It has been in continuous publication since 1960.
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January 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Monday January 1
1
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Tuesday January 2
2
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Wednesday January 3
3
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Thursday January 4
4
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Friday January 5
5
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Saturday January 6
6
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Sunday January 7
7
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Monday January 8
8
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Tuesday January 9
9
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Wednesday January 10
10
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Thursday January 11
11
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Friday January 12
12
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Saturday January 13
13
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Sunday January 14
14
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Monday January 15
15
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Tuesday January 16
16
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Wednesday January 17
17
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Thursday January 18
18
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Friday January 19
19
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Saturday January 20
20
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Sunday January 21
21
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Monday January 22
22
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Tuesday January 23
23
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Wednesday January 24
24
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Thursday January 25
25
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Friday January 26
26
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Saturday January 27
27
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Sunday January 28
28
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Monday January 29
29
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Tuesday January 30
30
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Wednesday January 31
31
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February 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Thursday February 1
1
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Friday February 2
2
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Saturday February 3
3
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Sunday February 4
4
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Monday February 5
5
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Tuesday February 6
6
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Wednesday February 7
7
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Thursday February 8
8
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Friday February 9
9
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Saturday February 10
10
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Sunday February 11
11
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Monday February 12
12
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Tuesday February 13
13
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Wednesday February 14
14
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Thursday February 15
15
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Friday February 16
16
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Saturday February 17
17
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Sunday February 18
18
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Monday February 19
19
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Tuesday February 20
20
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Wednesday February 21
21
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Thursday February 22
22
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Friday February 23
23
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Saturday February 24
24
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Sunday February 25
25
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Monday February 26
26
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Tuesday February 27
27
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Wednesday February 28
28
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Thursday February 29
29
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March 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Friday March 1
1
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Saturday March 2
2
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Sunday March 3
3
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Monday March 4
4
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Tuesday March 5
5
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Wednesday March 6
6
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Thursday March 7
7
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Friday March 8
8
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Saturday March 9
9
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Sunday March 10
10
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Monday March 11
11
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Tuesday March 12
12
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Wednesday March 13
13
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Thursday March 14
14
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Friday March 15
15
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Saturday March 16
16
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Sunday March 17
17
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Monday March 18
18
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Tuesday March 19
19
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Wednesday March 20
20
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Thursday March 21
21
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Friday March 22
22
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Saturday March 23
23
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Sunday March 24
24
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Monday March 25
25
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Tuesday March 26
26
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Wednesday March 27
27
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Thursday March 28
28
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Friday March 29
29
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Saturday March 30
30
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Sunday March 31
31
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April 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Monday April 1
1
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Tuesday April 2
2
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Wednesday April 3
3
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Thursday April 4
4
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Friday April 5
5
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Saturday April 6
6
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Sunday April 7
7
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Monday April 8
8
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Tuesday April 9
9
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Wednesday April 10
10
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Thursday April 11
11
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Friday April 12
12
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Saturday April 13
13
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Sunday April 14
14
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Monday April 15
15
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Tuesday April 16
16
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Wednesday April 17
17
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Thursday April 18
18
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Friday April 19
19
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Saturday April 20
20
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Sunday April 21
21
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Monday April 22
22
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Tuesday April 23
23
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Wednesday April 24
24
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Thursday April 25
25
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Friday April 26
26
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Saturday April 27
27
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Sunday April 28
28
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Monday April 29
29
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Tuesday April 30
30
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No additional events this month.
May 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Wednesday May 1
1
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Thursday May 2
2
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Friday May 3
3
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Saturday May 4
4
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Sunday May 5
5
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Monday May 6
6
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Tuesday May 7
7
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Wednesday May 8
8
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Thursday May 9
9
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Friday May 10
10
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Saturday May 11
11
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Sunday May 12
12
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Monday May 13
13
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Tuesday May 14
14
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Wednesday May 15
15
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Thursday May 16
16
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Friday May 17
17
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Saturday May 18
18
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Sunday May 19
19
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Monday May 20
20
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Tuesday May 21
21
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Wednesday May 22
22
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Thursday May 23
23
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Friday May 24
24
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Saturday May 25
25
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Sunday May 26
26
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Monday May 27
27
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Tuesday May 28
28
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Wednesday May 29
29
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Thursday May 30
30
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Friday May 31
31
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June 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Saturday June 1
1
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Sunday June 2
2
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Monday June 3
3
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Tuesday June 4
4
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Wednesday June 5
5
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Thursday June 6
6
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Friday June 7
7
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Saturday June 8
8
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Sunday June 9
9
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Monday June 10
10
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Tuesday June 11
11
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Wednesday June 12
12
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Thursday June 13
13
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Friday June 14
14
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Saturday June 15
15
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Sunday June 16
16
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Monday June 17
17
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Tuesday June 18
18
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Wednesday June 19
19
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Thursday June 20
20
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Friday June 21
21
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Saturday June 22
22
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Sunday June 23
23
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Monday June 24
24
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Tuesday June 25
25
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Wednesday June 26
26
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Thursday June 27
27
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Friday June 28
28
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Saturday June 29
29
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Sunday June 30
30
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July 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Monday July 1
1
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Tuesday July 2
2
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Wednesday July 3
3
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Thursday July 4
4
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Friday July 5
5
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Saturday July 6
6
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Sunday July 7
7
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Monday July 8
8
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Tuesday July 9
9
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Wednesday July 10
10
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Thursday July 11
11
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Friday July 12
12
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Saturday July 13
13
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Sunday July 14
14
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Monday July 15
15
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Tuesday July 16
16
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Wednesday July 17
17
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Thursday July 18
18
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Friday July 19
19
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Saturday July 20
20
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Sunday July 21
21
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Monday July 22
22
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Tuesday July 23
23
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Wednesday July 24
24
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Thursday July 25
25
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Friday July 26
26
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Saturday July 27
27
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Sunday July 28
28
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Monday July 29
29
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Tuesday July 30
30
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Wednesday July 31
31
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August 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
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Thursday August 1
1
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Friday August 2
2
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Saturday August 3
3
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||||
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Sunday August 4
4
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Monday August 5
5
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Tuesday August 6
6
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Wednesday August 7
7
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Thursday August 8
8
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Friday August 9
9
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Saturday August 10
10
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Sunday August 11
11
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Monday August 12
12
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Tuesday August 13
13
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Wednesday August 14
14
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Thursday August 15
15
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Friday August 16
16
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Saturday August 17
17
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Sunday August 18
18
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Monday August 19
19
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Tuesday August 20
20
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Wednesday August 21
21
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Thursday August 22
22
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Friday August 23
23
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Saturday August 24
24
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Sunday August 25
25
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Monday August 26
26
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Tuesday August 27
27
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Wednesday August 28
28
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Thursday August 29
29
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Friday August 30
30
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Saturday August 31
31
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September 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
Sunday September 1
1
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Monday September 2
2
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Tuesday September 3
3
|
Wednesday September 4
4
|
Thursday September 5
5
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Friday September 6
6
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Saturday September 7
7
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Sunday September 8
8
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Monday September 9
9
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Tuesday September 10
10
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Wednesday September 11
11
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Thursday September 12
12
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Friday September 13
13
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Saturday September 14
14
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Sunday September 15
15
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Monday September 16
16
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Tuesday September 17
17
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Wednesday September 18
18
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Thursday September 19
19
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Friday September 20
20
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Saturday September 21
21
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Sunday September 22
22
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Monday September 23
23
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Tuesday September 24
24
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Wednesday September 25
25
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Thursday September 26
26
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Friday September 27
27
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Saturday September 28
28
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Sunday September 29
29
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Monday September 30
30
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October 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
Tuesday October 1
1
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Wednesday October 2
2
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Thursday October 3
3
|
Friday October 4
4
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Saturday October 5
5
|
||
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Sunday October 6
6
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Monday October 7
7
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Tuesday October 8
8
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Wednesday October 9
9
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Thursday October 10
10
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Friday October 11
11
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Saturday October 12
12
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Sunday October 13
13
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Monday October 14
14
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Tuesday October 15
15
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Wednesday October 16
16
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Thursday October 17
17
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Friday October 18
18
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Saturday October 19
19
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Sunday October 20
20
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Monday October 21
21
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Tuesday October 22
22
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Wednesday October 23
23
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Thursday October 24
24
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Friday October 25
25
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Saturday October 26
26
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Sunday October 27
27
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Monday October 28
28
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Tuesday October 29
29
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Wednesday October 30
30
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Thursday October 31
31
|
November 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
Friday November 1
1
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Saturday November 2
2
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|||||
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Sunday November 3
3
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Monday November 4
4
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Tuesday November 5
5
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Wednesday November 6
6
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Thursday November 7
7
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Friday November 8
8
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Saturday November 9
9
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Sunday November 10
10
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Monday November 11
11
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Tuesday November 12
12
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Wednesday November 13
13
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Thursday November 14
14
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Friday November 15
15
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Saturday November 16
16
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Sunday November 17
17
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Monday November 18
18
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Tuesday November 19
19
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Wednesday November 20
20
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Thursday November 21
21
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Friday November 22
22
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Saturday November 23
23
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Sunday November 24
24
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Monday November 25
25
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Tuesday November 26
26
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Wednesday November 27
27
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Thursday November 28
28
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Friday November 29
29
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Saturday November 30
30
|
December 2024
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
Sunday December 1
1
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Monday December 2
2
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Tuesday December 3
3
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Wednesday December 4
4
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Thursday December 5
5
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Friday December 6
6
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Saturday December 7
7
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Sunday December 8
8
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Monday December 9
9
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Tuesday December 10
10
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Wednesday December 11
11
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Thursday December 12
12
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Friday December 13
13
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Saturday December 14
14
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Sunday December 15
15
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Monday December 16
16
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Tuesday December 17
17
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Wednesday December 18
18
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Thursday December 19
19
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Friday December 20
20
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Saturday December 21
21
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Sunday December 22
22
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Monday December 23
23
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Tuesday December 24
24
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Wednesday December 25
25
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Thursday December 26
26
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Friday December 27
27
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Saturday December 28
28
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Sunday December 29
29
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Monday December 30
30
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Tuesday December 31
31
|
January 2025
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
Wednesday January 1
1
|
Thursday January 2
2
|
Friday January 3
3
|
Saturday January 4
4
|
|||
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Sunday January 5
5
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Monday January 6
6
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Tuesday January 7
7
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Wednesday January 8
8
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Thursday January 9
9
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Friday January 10
10
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Saturday January 11
11
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Sunday January 12
12
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Monday January 13
13
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Tuesday January 14
14
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Wednesday January 15
15
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Thursday January 16
16
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Friday January 17
17
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Saturday January 18
18
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Sunday January 19
19
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Monday January 20
20
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Tuesday January 21
21
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Wednesday January 22
22
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Thursday January 23
23
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Friday January 24
24
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Saturday January 25
25
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Sunday January 26
26
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Monday January 27
27
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Tuesday January 28
28
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Wednesday January 29
29
|
Thursday January 30
30
|
Friday January 31
31
|
February 2025
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
Saturday February 1
1
|
||||||
|
Sunday February 2
2
|
Monday February 3
3
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Tuesday February 4
4
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Wednesday February 5
5
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Thursday February 6
6
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Friday February 7
7
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Saturday February 8
8
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Sunday February 9
9
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Monday February 10
10
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Tuesday February 11
11
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Wednesday February 12
12
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Thursday February 13
13
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Friday February 14
14
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Saturday February 15
15
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Sunday February 16
16
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Monday February 17
17
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Tuesday February 18
18
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Wednesday February 19
19
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Thursday February 20
20
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Friday February 21
21
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Saturday February 22
22
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Sunday February 23
23
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Monday February 24
24
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Tuesday February 25
25
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Wednesday February 26
26
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Thursday February 27
27
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Friday February 28
28
|
March 2025
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
|
Saturday March 1
1
|
||||||
|
Sunday March 2
2
|
Monday March 3
3
|
Tuesday March 4
4
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Wednesday March 5
5
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Thursday March 6
6
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Friday March 7
7
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Saturday March 8
8
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Sunday March 9
9
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Monday March 10
10
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Tuesday March 11
11
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Wednesday March 12
12
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Thursday March 13
13
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Friday March 14
14
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Saturday March 15
15
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Sunday March 16
16
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Monday March 17
17
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Tuesday March 18
18
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Wednesday March 19
19
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Thursday March 20
20
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Friday March 21
21
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Saturday March 22
22
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Sunday March 23
23
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Monday March 24
24
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Tuesday March 25
25
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Wednesday March 26
26
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Thursday March 27
27
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Friday March 28
28
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Saturday March 29
29
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Sunday March 30
30
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Monday March 31
31
|
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| January – March |