Sunrise and Sunset times in Holtsville, United States 
Today:
 Sunrise: 07:16:25
|
 Sunset: 16:35:16
|
Day Length: 9h 18m 51s
Time zone: America/New_York, UTC -5 h.
Latitude: 40.8123, Longitude: -73.0447
Holtsville
New York, United States 
20 201 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Jan-01, Thursday | 07:16:25 | 11:55:50 | 16:35:16 | 9h 18m 51s |
| 2026-Jan-02, Friday | 07:16:29 | 11:56:18 | 16:36:07 | 9h 19m 38s |
| 2026-Jan-03, Saturday | 07:16:32 | 11:56:46 | 16:37:00 | 9h 20m 28s |
| 2026-Jan-04, Sunday | 07:16:32 | 11:57:13 | 16:37:54 | 9h 21m 22s |
| 2026-Jan-05, Monday | 07:16:30 | 11:57:40 | 16:38:49 | 9h 22m 19s |
| 2026-Jan-06, Tuesday | 07:16:26 | 11:58:06 | 16:39:46 | 9h 23m 20s |
| 2026-Jan-07, Wednesday | 07:16:19 | 11:58:32 | 16:40:45 | 9h 24m 26s |
| 2026-Jan-08, Thursday | 07:16:10 | 11:58:57 | 16:41:44 | 9h 25m 34s |
| 2026-Jan-09, Friday | 07:15:59 | 11:59:22 | 16:42:45 | 9h 26m 46s |
| 2026-Jan-10, Saturday | 07:15:46 | 11:59:47 | 16:43:47 | 9h 28m 1s |
| 2026-Jan-11, Sunday | 07:15:30 | 12:00:10 | 16:44:50 | 9h 29m 20s |
| 2026-Jan-12, Monday | 07:15:12 | 12:00:33 | 16:45:54 | 9h 30m 42s |
| 2026-Jan-13, Tuesday | 07:14:52 | 12:00:56 | 16:46:59 | 9h 32m 7s |
| 2026-Jan-14, Wednesday | 07:14:30 | 12:01:18 | 16:48:05 | 9h 33m 35s |
| 2026-Jan-15, Thursday | 07:14:05 | 12:01:39 | 16:49:12 | 9h 35m 7s |
| 2026-Jan-16, Friday | 07:13:39 | 12:01:59 | 16:50:20 | 9h 36m 41s |
| 2026-Jan-17, Saturday | 07:13:10 | 12:02:19 | 16:51:29 | 9h 38m 19s |
| 2026-Jan-18, Sunday | 07:12:39 | 12:02:38 | 16:52:38 | 9h 39m 59s |
| 2026-Jan-19, Monday | 07:12:06 | 12:02:57 | 16:53:48 | 9h 41m 42s |
| 2026-Jan-20, Tuesday | 07:11:31 | 12:03:14 | 16:54:58 | 9h 43m 27s |
| 2026-Jan-21, Wednesday | 07:10:53 | 12:03:31 | 16:56:09 | 9h 45m 16s |
| 2026-Jan-22, Thursday | 07:10:14 | 12:03:47 | 16:57:21 | 9h 47m 7s |
| 2026-Jan-23, Friday | 07:09:33 | 12:04:03 | 16:58:33 | 9h 49m 0s |
| 2026-Jan-24, Saturday | 07:08:50 | 12:04:17 | 16:59:45 | 9h 50m 55s |
| 2026-Jan-25, Sunday | 07:08:04 | 12:04:31 | 17:00:58 | 9h 52m 54s |
| 2026-Jan-26, Monday | 07:07:17 | 12:04:44 | 17:02:11 | 9h 54m 54s |
| 2026-Jan-27, Tuesday | 07:06:28 | 12:04:56 | 17:03:25 | 9h 56m 57s |
| 2026-Jan-28, Wednesday | 07:05:37 | 12:05:08 | 17:04:38 | 9h 59m 1s |
| 2026-Jan-29, Thursday | 07:04:45 | 12:05:18 | 17:05:52 | 10h 1m 7s |
| 2026-Jan-30, Friday | 07:03:50 | 12:05:28 | 17:07:06 | 10h 3m 16s |
| 2026-Jan-31, Saturday | 07:02:54 | 12:05:37 | 17:08:20 | 10h 5m 26s |
Day length in Holtsville during the year on the chart:
Holtsville 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)
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