Sunrise and Sunset times in Adelphi, United States 
Adelphi
🌇 High chance of a beautiful sunset!
Maryland, United States
15 898 people
Current temperature 33 ° C 
Partly cloudy
Today:
 Sunrise: 06:40:43
|
 Sunset: 19:32:04
|
Day Length: 12h 51m 21s
Time zone: America/New_York, UTC -4 h.
Latitude: 39.0017, Longitude: -76.9649
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:37:08 | 13:07:43 | 19:38:17 | 13h 1m 9s |
| 2025-Sep-02, Tuesday | 06:38:02 | 13:07:23 | 19:36:45 | 12h 58m 43s |
| 2025-Sep-03, Wednesday | 06:38:56 | 13:07:04 | 19:35:12 | 12h 56m 16s |
| 2025-Sep-04, Thursday | 06:39:49 | 13:06:44 | 19:33:38 | 12h 53m 49s |
| 2025-Sep-05, Friday | 06:40:43 | 13:06:24 | 19:32:04 | 12h 51m 21s |
| 2025-Sep-06, Saturday | 06:41:36 | 13:06:03 | 19:30:30 | 12h 48m 54s |
| 2025-Sep-07, Sunday | 06:42:30 | 13:05:43 | 19:28:55 | 12h 46m 25s |
| 2025-Sep-08, Monday | 06:43:24 | 13:05:22 | 19:27:20 | 12h 43m 56s |
| 2025-Sep-09, Tuesday | 06:44:17 | 13:05:01 | 19:25:45 | 12h 41m 28s |
| 2025-Sep-10, Wednesday | 06:45:11 | 13:04:40 | 19:24:09 | 12h 38m 58s |
| 2025-Sep-11, Thursday | 06:46:05 | 13:04:19 | 19:22:33 | 12h 36m 28s |
| 2025-Sep-12, Friday | 06:46:58 | 13:03:58 | 19:20:57 | 12h 33m 59s |
| 2025-Sep-13, Saturday | 06:47:52 | 13:03:36 | 19:19:21 | 12h 31m 29s |
| 2025-Sep-14, Sunday | 06:48:46 | 13:03:15 | 19:17:44 | 12h 28m 58s |
| 2025-Sep-15, Monday | 06:49:39 | 13:02:54 | 19:16:08 | 12h 26m 29s |
| 2025-Sep-16, Tuesday | 06:50:33 | 13:02:32 | 19:14:31 | 12h 23m 58s |
| 2025-Sep-17, Wednesday | 06:51:27 | 13:02:11 | 19:12:54 | 12h 21m 27s |
| 2025-Sep-18, Thursday | 06:52:21 | 13:01:49 | 19:11:17 | 12h 18m 56s |
| 2025-Sep-19, Friday | 06:53:15 | 13:01:28 | 19:09:40 | 12h 16m 25s |
| 2025-Sep-20, Saturday | 06:54:09 | 13:01:06 | 19:08:04 | 12h 13m 55s |
| 2025-Sep-21, Sunday | 06:55:04 | 13:00:45 | 19:06:27 | 12h 11m 23s |
| 2025-Sep-22, Monday | 06:55:58 | 13:00:24 | 19:04:50 | 12h 8m 52s |
| 2025-Sep-23, Tuesday | 06:56:53 | 13:00:03 | 19:03:13 | 12h 6m 20s |
| 2025-Sep-24, Wednesday | 06:57:48 | 12:59:42 | 19:01:37 | 12h 3m 49s |
| 2025-Sep-25, Thursday | 06:58:42 | 12:59:21 | 19:00:00 | 12h 1m 18s |
| 2025-Sep-26, Friday | 06:59:37 | 12:59:01 | 18:58:24 | 11h 58m 47s |
| 2025-Sep-27, Saturday | 07:00:33 | 12:58:40 | 18:56:48 | 11h 56m 15s |
| 2025-Sep-28, Sunday | 07:01:28 | 12:58:20 | 18:55:12 | 11h 53m 44s |
| 2025-Sep-29, Monday | 07:02:24 | 12:58:00 | 18:53:37 | 11h 51m 13s |
| 2025-Sep-30, Tuesday | 07:03:20 | 12:57:41 | 18:52:02 | 11h 48m 42s |
Day length in Adelphi during the year on the chart:
Adelphi on United States map:
Locations in the same time zone America/New_York
New York (New York), Miami (Florida), Philadelphia (Pennsylvania), Washington (District of Columbia), Atlanta (Georgia), Boston (Massachusetts), Tampa (Florida), Brooklyn (New York), Queens (New York), Baltimore (Maryland), Orlando (Florida), Cleveland (Ohio), Pittsburgh (Pennsylvania), Cincinnati (Ohio), Manhattan (New York), Columbus (Ohio), Virginia Beach (Virginia), Charlotte (North Carolina), Bronx (New York), Providence (Rhode Island), Jacksonville (Florida), Richmond (Virginia), Raleigh (North Carolina), Louisville (Kentucky), Bridgeport (Connecticut), Buffalo (New York), Hartford (Connecticut), Dayton (Ohio), Rochester (New York), Sarasota (Florida)
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)
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