Sunrise and Sunset times in Groton, United States 
Today:
 Sunrise: 07:38:27
|
 Sunset: 19:42:16
|
Day Length: 12h 3m 49s
Time zone: America/Chicago, UTC -5 h.
Latitude: 45.4517, Longitude: -98.1001
Groton
South Dakota, United States 
1 507 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Mar-01, Sunday | 07:09:54 | 12:44:39 | 18:19:23 | 11h 9m 29s |
| 2026-Mar-02, Monday | 07:08:07 | 12:44:27 | 18:20:46 | 11h 12m 39s |
| 2026-Mar-03, Tuesday | 07:06:20 | 12:44:14 | 18:22:08 | 11h 15m 48s |
| 2026-Mar-04, Wednesday | 07:04:31 | 12:44:01 | 18:23:31 | 11h 19m 0s |
| 2026-Mar-05, Thursday | 07:02:42 | 12:43:48 | 18:24:53 | 11h 22m 11s |
| 2026-Mar-06, Friday | 07:00:53 | 12:43:34 | 18:26:14 | 11h 25m 21s |
| 2026-Mar-07, Saturday | 06:59:03 | 12:43:19 | 18:27:36 | 11h 28m 33s |
| 2026-Mar-08, Sunday | 07:57:13 | 13:43:05 | 19:28:57 | 11h 31m 44s |
| 2026-Mar-09, Monday | 07:55:22 | 13:42:50 | 19:30:18 | 11h 34m 56s |
| 2026-Mar-10, Tuesday | 07:53:30 | 13:42:34 | 19:31:38 | 11h 38m 8s |
| 2026-Mar-11, Wednesday | 07:51:38 | 13:42:19 | 19:32:59 | 11h 41m 21s |
| 2026-Mar-12, Thursday | 07:49:46 | 13:42:03 | 19:34:19 | 11h 44m 33s |
| 2026-Mar-13, Friday | 07:47:54 | 13:41:46 | 19:35:39 | 11h 47m 45s |
| 2026-Mar-14, Saturday | 07:46:01 | 13:41:30 | 19:36:59 | 11h 50m 58s |
| 2026-Mar-15, Sunday | 07:44:08 | 13:41:13 | 19:38:18 | 11h 54m 10s |
| 2026-Mar-16, Monday | 07:42:14 | 13:40:56 | 19:39:38 | 11h 57m 24s |
| 2026-Mar-17, Tuesday | 07:40:21 | 13:40:39 | 19:40:57 | 12h 0m 36s |
| 2026-Mar-18, Wednesday | 07:38:27 | 13:40:21 | 19:42:16 | 12h 3m 49s |
| 2026-Mar-19, Thursday | 07:36:33 | 13:40:04 | 19:43:35 | 12h 7m 2s |
| 2026-Mar-20, Friday | 07:34:39 | 13:39:46 | 19:44:53 | 12h 10m 14s |
| 2026-Mar-21, Saturday | 07:32:45 | 13:39:28 | 19:46:12 | 12h 13m 27s |
| 2026-Mar-22, Sunday | 07:30:50 | 13:39:10 | 19:47:30 | 12h 16m 40s |
| 2026-Mar-23, Monday | 07:28:56 | 13:38:52 | 19:48:48 | 12h 19m 52s |
| 2026-Mar-24, Tuesday | 07:27:02 | 13:38:34 | 19:50:07 | 12h 23m 5s |
| 2026-Mar-25, Wednesday | 07:25:08 | 13:38:16 | 19:51:25 | 12h 26m 17s |
| 2026-Mar-26, Thursday | 07:23:14 | 13:37:58 | 19:52:42 | 12h 29m 28s |
| 2026-Mar-27, Friday | 07:21:20 | 13:37:40 | 19:54:00 | 12h 32m 40s |
| 2026-Mar-28, Saturday | 07:19:26 | 13:37:22 | 19:55:18 | 12h 35m 52s |
| 2026-Mar-29, Sunday | 07:17:32 | 13:37:04 | 19:56:36 | 12h 39m 4s |
| 2026-Mar-30, Monday | 07:15:38 | 13:36:46 | 19:57:53 | 12h 42m 15s |
| 2026-Mar-31, Tuesday | 07:13:45 | 13:36:28 | 19:59:11 | 12h 45m 26s |
Day length in Groton during the year on the chart:
Groton on United States map:
Locations in the same time zone America/Chicago
Chicago (Illinois), Dallas (Texas), Houston (Texas), Minneapolis (Minnesota), St. Louis (Missouri), San Antonio (Texas), Austin (Texas), Kansas City (Missouri), Montevideo (Montevideo), Milwaukee (Wisconsin), Prague (Praha, Hlavní Město), Nashville (Tennessee), Memphis (Tennessee), New Orleans (Louisiana), Oklahoma City (Oklahoma), Fort Worth (Texas), Omaha (Nebraska), McAllen (Texas), Birmingham (Alabama), Tulsa (Oklahoma), Baton Rouge (Louisiana), Wichita (Kansas), Des Moines (Iowa), Little Rock (Arkansas), Denton (Texas), Madison (Wisconsin), Arlington (Texas), Pensacola (Florida), Fayetteville (Arkansas), Corpus Christi (Texas)
Largest populated areas in United States
New York (New York), Los Angeles (California), Chicago (Illinois), Miami (Florida), Dallas (Texas), Philadelphia (Pennsylvania), Houston (Texas), Washington (District of Columbia), Atlanta (Georgia), Boston (Massachusetts), Phoenix (Arizona), Seattle (Washington), San Francisco (California), Detroit (Michigan), San Diego (California), Minneapolis (Minnesota), Tampa (Florida), Denver (Colorado), Brooklyn (New York), Queens (New York), Baltimore (Maryland), Riverside (California), St. Louis (Missouri), Las Vegas (Nevada), Portland (Oregon), San Antonio (Texas), Sacramento (California), San Jose (California), Orlando (Florida), Cleveland (Ohio)
Countries closest to United States
*Calculation of distances from capital to capital
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