Sunset in Surabaya today
September 4, 2026 · Surabaya, Indonesia
2,374,658 people
Sunset in Surabaya today is at 17:29. Day length is 11h 59m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Surabaya's coordinates and updated daily.
Surabaya lies at 7°S. In Surabaya, day length ranges from 11h 42m in winter to 12h 33m in summer — a swing of about 0h 51m.
The sun goes down towards the west in Surabaya today, at a bearing of 277°. Civil twilight then lasts another 21 minutes before it gets properly dark. The sun sets 24 minutes earlier in Surabaya than in Jakarta, 662 km to the west.
The time of sunset slides later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Surabaya.
The longest day in Surabaya is around 12h 33m (around December 21). The shortest is around 11h 42m (around June 21).
Sunset in Surabaya by month
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:54 | 05:24 | 12h 30m |
| February | 17:54 | 05:34 | 12h 20m |
| March | 17:43 | 05:34 | 12h 9m |
| April | 17:28 | 05:31 | 11h 57m |
| May | 17:20 | 05:33 | 11h 47m |
| June | 17:21 | 05:39 | 11h 42m |
| July | 17:28 | 05:43 | 11h 44m |
| August | 17:31 | 05:38 | 11h 52m |
| September | 17:27 | 05:24 | 12h 3m |
| October | 17:23 | 05:08 | 12h 15m |
| November | 17:28 | 05:01 | 12h 26m |
| December | 17:41 | 05:09 | 12h 32m |