San Marcos
Sunrise and sunset in San Marcos
Today’s sunrise, sunset and twilight in San Marcos, in local time. At 33.1° N, the day lasts from 9 h 58 min at the winter solstice to 14 h 21 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 06:57, sunset at 18:08.
Day length 11 h 10 min, 1 min 55 s shorter than yesterday.
Solar noon at 12:33, with the Sun 46° above the horizon.
Times are San Marcos time (PDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:35 | 19:30 |
| Nautical twilight | 06:03 | 19:02 |
| Civil twilight | 06:32 | 18:33 |
| Sunrise and sunset | 06:57 | 18:08 |
| Golden hour | 06:57–07:31 | 17:34–18:08 |
Each twilight begins at the morning time and ends at the evening one.
The year in San Marcos
- Longest day: June 21, 14 h 21 min, from sunrise at 05:40 to sunset at 20:00.
- Shortest day: December 21, 9 h 58 min, from sunrise at 06:48 to sunset at 16:45.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:50 | 17:10 | 10 h 20 min |
| February 21 | 06:25 | 17:39 | 11 h 13 min |
| March 21 | 06:50 | 19:01 | 12 h 10 min |
| April 21 | 06:11 | 19:23 | 13 h 12 min |
| May 21 | 05:45 | 19:45 | 14 h 01 min |
| June 21 | 05:40 | 20:00 | 14 h 21 min |
| July 21 | 05:54 | 19:55 | 14 h 01 min |
| August 21 | 06:15 | 19:27 | 13 h 11 min |
| September 21 | 06:36 | 18:46 | 12 h 10 min |
| October 21 | 06:57 | 18:08 | 11 h 10 min |
| November 21 | 06:25 | 16:43 | 10 h 19 min |
| December 21 | 06:48 | 16:45 | 9 h 58 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 33.1° N, 117.2° W, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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