Sunrise and Sunset times in Surabaya, Indonesia 
Surabaya
Jawa Timur
Time zone: Asia/Jakarta, UTC 7 h.
Latitude: -7.2492, Longitude: 112.751
2 845 000 people
| Date | Sunrise | Solar Noon | Sunset | Length of day |
|---|---|---|---|---|
| 2025-Jun-01, Sunday | 05:34:59 | 11:26:50 | 17:18:42 | 11h 43m 43s |
| 2025-Jun-02, Monday | 05:35:13 | 11:27:00 | 17:18:47 | 11h 43m 34s |
| 2025-Jun-03, Tuesday | 05:35:27 | 11:27:10 | 17:18:52 | 11h 43m 25s |
| 2025-Jun-04, Wednesday | 05:35:41 | 11:27:20 | 17:18:58 | 11h 43m 17s |
| 2025-Jun-05, Thursday | 05:35:56 | 11:27:30 | 17:19:05 | 11h 43m 9s |
| 2025-Jun-06, Friday | 05:36:10 | 11:27:41 | 17:19:12 | 11h 43m 2s |
| 2025-Jun-07, Saturday | 05:36:25 | 11:27:52 | 17:19:20 | 11h 42m 55s |
| 2025-Jun-08, Sunday | 05:36:39 | 11:28:04 | 17:19:28 | 11h 42m 49s |
| 2025-Jun-09, Monday | 05:36:54 | 11:28:15 | 17:19:37 | 11h 42m 43s |
| 2025-Jun-10, Tuesday | 05:37:09 | 11:28:27 | 17:19:46 | 11h 42m 37s |
| 2025-Jun-11, Wednesday | 05:37:23 | 11:28:39 | 17:19:56 | 11h 42m 33s |
| 2025-Jun-12, Thursday | 05:37:38 | 11:28:52 | 17:20:06 | 11h 42m 28s |
| 2025-Jun-13, Friday | 05:37:52 | 11:29:04 | 17:20:16 | 11h 42m 24s |
| 2025-Jun-14, Saturday | 05:38:07 | 11:29:17 | 17:20:27 | 11h 42m 20s |
| 2025-Jun-15, Sunday | 05:38:21 | 11:29:30 | 17:20:39 | 11h 42m 18s |
| 2025-Jun-16, Monday | 05:38:35 | 11:29:43 | 17:20:50 | 11h 42m 15s |
| 2025-Jun-17, Tuesday | 05:38:49 | 11:29:56 | 17:21:02 | 11h 42m 13s |
| 2025-Jun-18, Wednesday | 05:39:03 | 11:30:09 | 17:21:14 | 11h 42m 11s |
| 2025-Jun-19, Thursday | 05:39:17 | 11:30:22 | 17:21:27 | 11h 42m 10s |
| 2025-Jun-20, Friday | 05:39:30 | 11:30:35 | 17:21:40 | 11h 42m 10s |
| 2025-Jun-21, Saturday | 05:39:43 | 11:30:48 | 17:21:53 | 11h 42m 10s |
| 2025-Jun-22, Sunday | 05:39:56 | 11:31:01 | 17:22:06 | 11h 42m 10s |
| 2025-Jun-23, Monday | 05:40:09 | 11:31:14 | 17:22:19 | 11h 42m 10s |
| 2025-Jun-24, Tuesday | 05:40:21 | 11:31:27 | 17:22:33 | 11h 42m 12s |
| 2025-Jun-25, Wednesday | 05:40:33 | 11:31:40 | 17:22:46 | 11h 42m 13s |
| 2025-Jun-26, Thursday | 05:40:45 | 11:31:52 | 17:23:00 | 11h 42m 15s |
| 2025-Jun-27, Friday | 05:40:56 | 11:32:05 | 17:23:14 | 11h 42m 18s |
| 2025-Jun-28, Saturday | 05:41:07 | 11:32:17 | 17:23:28 | 11h 42m 21s |
| 2025-Jun-29, Sunday | 05:41:17 | 11:32:29 | 17:23:42 | 11h 42m 25s |
| 2025-Jun-30, Monday | 05:41:27 | 11:32:41 | 17:23:56 | 11h 42m 29s |
Surabaya on Indonesia map:
Cities in the same time zone Asia/Jakarta
Jakarta (Jakarta), Bandung (Jawa Barat), Bekasi (Jawa Barat), Medan (Sumatera Utara), Palembang (Sumatera Selatan), Semarang (Jawa Tengah), Cilacap (Jawa Tengah), Bogor (Jawa Barat), Bandar Lampung (Lampung), Padang (Sumatera Barat), Malang (Jawa Timur), Pekanbaru (Riau), Yogyakarta (Yogyakarta), Binjai (Sumatera Utara), Surakarta (Jawa Tengah), Banda Aceh (Aceh), Bukittinggi (Sumatera Barat), Pasuruan (Jawa Timur), Jambi (Jambi), Bengkulu (Bengkulu), Pematangsiantar (Sumatera Utara), Jember (Jawa Timur), Sukabumi (Jawa Barat), Pekalongan (Jawa Tengah), Tasikmalaya (Jawa Barat), Tebingtinggi (Sumatera Utara), Padangsidempuan (Sumatera Utara), Cirebon (Jawa Barat), Tegal (Jawa Tengah), Kediri (Jawa Timur)
Largest Populated Areas in Indonesia
Jakarta (Jakarta), Bandung (Jawa Barat), Bekasi (Jawa Barat), Medan (Sumatera Utara), Palembang (Sumatera Selatan), Semarang (Jawa Tengah), Makassar (Sulawesi Selatan), Cilacap (Jawa Tengah), Bogor (Jawa Barat), Bandar Lampung (Lampung), Padang (Sumatera Barat), Malang (Jawa Timur), Pekanbaru (Riau), Denpasar (Bali), Yogyakarta (Yogyakarta), Palu (Sulawesi Tengah), Pontianak (Kalimantan Barat), Banjarmasin (Kalimantan Selatan), Samarinda (Kalimantan Timur), Binjai (Sumatera Utara), Surakarta (Jawa Tengah), Banda Aceh (Aceh), Bukittinggi (Sumatera Barat), Pasuruan (Jawa Timur), Mataram (Nusa Tenggara Barat), Jambi (Jambi), Manado (Sulawesi Utara), Balikpapan (Kalimantan Timur), Bengkulu (Bengkulu), Gorontalo (Gorontalo)
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