Sunrise and Sunset times in San Marcos, United States

San Marcos United States Daily sun schedule, day length and annual chart
☀️ Local time
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Sunrise
Today sunrise
07:00:15
Sunset
Today sunset
20:01:22
🌤️
Day length
13h 1m 7s
City
San Marcos
Region / Country
Texas, United States
Time zone
America/Chicago, UTC -5 h.
Population
74 212 people
Latitude
29.8736
Longitude
-97.938

Select month and year

Date Sunrise Solar Noon Sunset Day length
2026-Apr-01, Wednesday 07:20:37 13:35:31 19:50:26 12h 29m 49s
2026-Apr-02, Thursday 07:19:25 13:35:14 19:51:02 12h 31m 37s
2026-Apr-03, Friday 07:18:14 13:34:56 19:51:38 12h 33m 24s
2026-Apr-04, Saturday 07:17:03 13:34:39 19:52:14 12h 35m 11s
2026-Apr-05, Sunday 07:15:53 13:34:21 19:52:50 12h 36m 57s
2026-Apr-06, Monday 07:14:43 13:34:04 19:53:26 12h 38m 43s
2026-Apr-07, Tuesday 07:13:33 13:33:48 19:54:02 12h 40m 29s
2026-Apr-08, Wednesday 07:12:24 13:33:31 19:54:38 12h 42m 14s
2026-Apr-09, Thursday 07:11:15 13:33:15 19:55:15 12h 44m 0s
2026-Apr-10, Friday 07:10:06 13:32:59 19:55:51 12h 45m 45s
2026-Apr-11, Saturday 07:08:58 13:32:43 19:56:27 12h 47m 29s
2026-Apr-12, Sunday 07:07:51 13:32:27 19:57:04 12h 49m 13s
2026-Apr-13, Monday 07:06:44 13:32:12 19:57:40 12h 50m 56s
2026-Apr-14, Tuesday 07:05:38 13:31:57 19:58:17 12h 52m 39s
2026-Apr-15, Wednesday 07:04:32 13:31:43 19:58:54 12h 54m 22s
2026-Apr-16, Thursday 07:03:27 13:31:29 19:59:31 12h 56m 4s
2026-Apr-17, Friday 07:02:22 13:31:15 20:00:08 12h 57m 46s
2026-Apr-18, Saturday 07:01:18 13:31:02 20:00:45 12h 59m 27s
2026-Apr-19, Sunday 07:00:15 13:30:49 20:01:22 13h 1m 7s
2026-Apr-20, Monday 06:59:12 13:30:36 20:02:00 13h 2m 48s
2026-Apr-21, Tuesday 06:58:11 13:30:24 20:02:37 13h 4m 26s
2026-Apr-22, Wednesday 06:57:10 13:30:12 20:03:15 13h 6m 5s
2026-Apr-23, Thursday 06:56:10 13:30:01 20:03:52 13h 7m 42s
2026-Apr-24, Friday 06:55:10 13:29:50 20:04:30 13h 9m 20s
2026-Apr-25, Saturday 06:54:12 13:29:40 20:05:08 13h 10m 56s
2026-Apr-26, Sunday 06:53:14 13:29:30 20:05:46 13h 12m 32s
2026-Apr-27, Monday 06:52:17 13:29:21 20:06:24 13h 14m 7s
2026-Apr-28, Tuesday 06:51:22 13:29:12 20:07:03 13h 15m 41s
2026-Apr-29, Wednesday 06:50:27 13:29:04 20:07:41 13h 17m 14s
2026-Apr-30, Thursday 06:49:33 13:28:56 20:08:20 13h 18m 47s

Day length in San Marcos during the year on the chart

San Marcos on United States map

Daylight Hours FAQ: 10 Most Googled Questions Answered

Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.

Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).

Northern Hemisphere: June 20-22 (summer solstice).

Southern Hemisphere: December 21-23.

Near polar circles, the sun doesn't set for 24 hours.

Northern Hemisphere: December 21-22 (winter solstice).

Southern Hemisphere: June 20-21.

The closer to poles, the more extreme variations:

  • Equator: ~12-hour days year-round
  • Polar regions: Midnight sun/polar nights occur

Miami's lower latitude means:

  • Winter days are longer than NY's
  • Summer days are slightly shorter

During equinoxes:

  • Spring: March 20-21
  • Fall: September 22-23

Most rapid change near equinoxes: 2-4 minutes daily.

Slowest change near solstices: <1 minute daily.

Reliable tools:

  • Timeanddate.com
  • SunCalc.org
  • Photographer's Ephemeris app

Yes. Reduced winter sunlight may cause:

  • Seasonal Affective Disorder (SAD)
  • Vitamin D deficiency

Solution: Light therapy lamps & midday walks