Sunrise and Sunset times in Union, Philippines 
Union
Surigao del Sur
Time zone: Asia/Manila, UTC 8 h.
Latitude: 8.0065, Longitude: 126.391
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jun-01, Sunday | 05:15:30 | 11:32:17 | 17:49:03 | 12h 33m 33s |
| 2025-Jun-02, Monday | 05:15:34 | 11:32:26 | 17:49:18 | 12h 33m 44s |
| 2025-Jun-03, Tuesday | 05:15:38 | 11:32:36 | 17:49:33 | 12h 33m 55s |
| 2025-Jun-04, Wednesday | 05:15:44 | 11:32:46 | 17:49:48 | 12h 34m 4s |
| 2025-Jun-05, Thursday | 05:15:50 | 11:32:56 | 17:50:03 | 12h 34m 13s |
| 2025-Jun-06, Friday | 05:15:56 | 11:33:07 | 17:50:18 | 12h 34m 22s |
| 2025-Jun-07, Saturday | 05:16:03 | 11:33:18 | 17:50:33 | 12h 34m 30s |
| 2025-Jun-08, Sunday | 05:16:11 | 11:33:30 | 17:50:49 | 12h 34m 38s |
| 2025-Jun-09, Monday | 05:16:19 | 11:33:41 | 17:51:04 | 12h 34m 45s |
| 2025-Jun-10, Tuesday | 05:16:28 | 11:33:53 | 17:51:19 | 12h 34m 51s |
| 2025-Jun-11, Wednesday | 05:16:37 | 11:34:05 | 17:51:34 | 12h 34m 57s |
| 2025-Jun-12, Thursday | 05:16:46 | 11:34:18 | 17:51:49 | 12h 35m 3s |
| 2025-Jun-13, Friday | 05:16:56 | 11:34:30 | 17:52:04 | 12h 35m 8s |
| 2025-Jun-14, Saturday | 05:17:07 | 11:34:43 | 17:52:19 | 12h 35m 12s |
| 2025-Jun-15, Sunday | 05:17:18 | 11:34:56 | 17:52:33 | 12h 35m 15s |
| 2025-Jun-16, Monday | 05:17:29 | 11:35:09 | 17:52:48 | 12h 35m 19s |
| 2025-Jun-17, Tuesday | 05:17:41 | 11:35:22 | 17:53:02 | 12h 35m 21s |
| 2025-Jun-18, Wednesday | 05:17:53 | 11:35:35 | 17:53:16 | 12h 35m 23s |
| 2025-Jun-19, Thursday | 05:18:05 | 11:35:48 | 17:53:30 | 12h 35m 25s |
| 2025-Jun-20, Friday | 05:18:18 | 11:36:01 | 17:53:43 | 12h 35m 25s |
| 2025-Jun-21, Saturday | 05:18:31 | 11:36:14 | 17:53:57 | 12h 35m 26s |
| 2025-Jun-22, Sunday | 05:18:44 | 11:36:27 | 17:54:10 | 12h 35m 26s |
| 2025-Jun-23, Monday | 05:18:58 | 11:36:40 | 17:54:22 | 12h 35m 24s |
| 2025-Jun-24, Tuesday | 05:19:11 | 11:36:53 | 17:54:34 | 12h 35m 23s |
| 2025-Jun-25, Wednesday | 05:19:25 | 11:37:06 | 17:54:46 | 12h 35m 21s |
| 2025-Jun-26, Thursday | 05:19:39 | 11:37:18 | 17:54:57 | 12h 35m 18s |
| 2025-Jun-27, Friday | 05:19:53 | 11:37:31 | 17:55:08 | 12h 35m 15s |
| 2025-Jun-28, Saturday | 05:20:07 | 11:37:43 | 17:55:19 | 12h 35m 12s |
| 2025-Jun-29, Sunday | 05:20:22 | 11:37:55 | 17:55:29 | 12h 35m 7s |
| 2025-Jun-30, Monday | 05:20:36 | 11:38:07 | 17:55:38 | 12h 35m 2s |
Union on Philippines map:
Cities in the same time zone Asia/Manila
Manila (Manila), Quezon City (Quezon), Asuncion (Asunción), San Salvador (San Salvador), Davao (Davao), Cagayan de Oro (Cagayan de Oro), General Santos (General Santos), Bacolod (Bacolod), Cebu City (Cebu), Zamboanga City (Zamboanga), Naga City (Naga), Iligan (Iligan), Baguio City (Baguio), Batangas (Batangas), Pasay City (Pasay), Iloilo (Iloilo), Legazpi City (Albay), Angeles City (Angeles), Olongapo (Olongapo), Cadiz (Negros Occidental), Tacloban (Tacloban), Cotabato (Cotabato), San Pablo (Laguna), Cabanatuan City (Nueva Ecija), Laoag (Ilocos Norte), Butuan (Butuan), Tarlac City (Tarlac), Ormoc (Ormoc), Dagupan City (Dagupan), Pagadian (Zamboanga del Sur)
Largest Populated Areas in Philippines
Manila (Manila), Quezon City (Quezon), Davao (Davao), Cagayan de Oro (Cagayan de Oro), General Santos (General Santos), Bacolod (Bacolod), Cebu City (Cebu), Zamboanga City (Zamboanga), Naga City (Naga), Iligan (Iligan), Baguio City (Baguio), Batangas (Batangas), Pasay City (Pasay), Iloilo (Iloilo), Legazpi City (Albay), Angeles City (Angeles), Olongapo (Olongapo), Cadiz (Negros Occidental), Tacloban (Tacloban), Cotabato (Cotabato), San Pablo (Laguna), Cabanatuan City (Nueva Ecija), Laoag (Ilocos Norte), Butuan (Butuan), Tarlac City (Tarlac), Ormoc (Ormoc), Dagupan City (Dagupan), Pagadian (Zamboanga del Sur), Puerto Princesa (Puerto Princesa), Tuguegarao (Cagayan)
Daylight Hours FAQ: 10 Most Googled Questions Answered
1. What are daylight hours?
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
2. Why are days shorter in winter and longer in summer?
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).
3. When is the longest day of the year?
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
4. When is the shortest day of the year?
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
5. How does latitude affect daylight hours?
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
6. Why do New York and Miami have different day lengths?
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
7. When are day and night equal?
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
How fast do days lengthen/shorten?
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
9. Where can I check daylight hours for my city?
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
10. Does daylight affect health?
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks