Indonesia · 7.25°S, 112.75°E

Daylight hours in Surabaya

Surabaya gets 12h 33m of daylight on its longest day, around December 21, and 11h 42m on its shortest, around June 21: a swing of 0h 51m across the year. So close to the equator, day length barely changes with the seasons.

Today in Surabaya

Sunrise–
Sunset–
Daylight–
vs yesterday–

Sunrise and sunset through the year

Sunrise and sunset in Surabaya through 2026Local sunrise and sunset times for each day of 2026. Daylight is longest on December 21 (12h 33m) and shortest on June 21 (11h 42m).00:0006:0012:0018:0024:00JanFebMarAprMayJunJulAugSepOctNovDec

Local time, including daylight saving time where Surabaya observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.

Key days

Longest day12h 33mDecember 21 · 05:11–17:44
Shortest day11h 42mJune 21 · 05:40–17:22
March equinox12h 07mMarch 20 · 05:34–17:41
Fastest change−0.4 min/dayaround March 13

Daylight by month

Sunrise, sunset and day length in Surabaya on the first of each month, 2026
DateSunriseSunsetDaylight
January 105:1717:4912h 32m
February 105:3117:5612h 25m
March 105:3517:5012h 15m
April 105:3317:3512h 02m
May 105:3117:2311h 51m
June 105:3617:2011h 44m
July 105:4217:2511h 42m
August 105:4217:3011h 48m
September 105:3117:2911h 58m
October 105:1517:2412h 10m
November 105:0217:2412h 22m
December 105:0417:3412h 30m

Cities with similar daylight

These cities sit within 3° of Surabaya’s latitude in the same hemisphere, so their days grow and shrink almost in step:

Its mirror images are across the equator at a similar distance from it. Their longest days come when Surabaya’s are shortest:

More: all cities between 0°–10° South · compare Surabaya with any city