Surabaya on 15 October 2026: sunrise 05:07, sunset 17:22, day length 12 h 15 min.
| Fact | Value |
|---|---|
| Time zone | Asia/Jakarta |
| Offset | UTC+7 |
| Region | East Java |
| Latitude | -7.2492 |
| Longitude | 112.7508 |
| Population | 3,018,022 |
Surabaya has no clock change scheduled in the next year. January and July both use UTC+7.
| Fact | Value |
|---|---|
| Longest day | 22 December 2026, 12 h 33 min |
| Shortest day | 21 June 2026, 11 h 42 min |
| Earliest sunrise | 05:00 on 14 November 2026 |
| Latest sunset | 17:55 on 30 January 2026 |
| Golden hour on the longest day | 22 December morning 05:10 to 05:40, evening 17:13 to 17:43 |
| Date | Holiday |
|---|---|
| 25 December 2026 | Hari Raya Natal |
| 1 January 2027 | Hari tahun baru |
| 5 January 2027 | Maulid Nabi Muhammad |
| City | 09:00 to 17:00 |
|---|---|
| London | Surabaya 15:00 to 17:00; London 09:00 to 11:00 |
| New York | Surabaya and New York have no hour that is 09:00 to 17:00 in both cities. |