Dark skies over Surabaya, Indonesia

The next moonless night in Surabaya is Sat 7 Nov, dark from 18:37 to 03:47. 4 of the next 30 nights have no Moon at all during full darkness.

Dark here means astronomical darkness (the Sun at least 18° below the horizon) with the Moon below the horizon: the best conditions for faint stars, the Milky Way and astrophotography. Light pollution and weather aren’t included.

Night ofMoon-free dark hoursTotalMoon
Tue 3 Nov18:36–01:096 h 34 min30% lit
Wed 4 Nov18:36–01:517 h 15 min21% lit
Thu 5 Nov18:36–02:327 h 56 min13% lit
Fri 6 Nov18:37–03:138 h 36 min7% lit
Sat 7 Nov18:37–03:479 h 10 min3% lit
Sun 8 Nov18:37–03:479 h 10 min1% lit
Mon 9 Nov18:38–03:479 h 09 min0% lit
Tue 10 Nov18:38–03:479 h 08 min2% lit
Wed 11 Nov19:08–03:468 h 38 min5% lit
Thu 12 Nov20:00–03:467 h 46 min11% lit
Fri 13 Nov20:50–03:466 h 56 min17% lit
Sat 14 Nov21:38–03:466 h 08 min25% lit
Sun 15 Nov22:23–03:465 h 22 min33% lit
Mon 16 Nov23:06–03:464 h 40 min42% lit
Tue 17 Nov23:46–03:463 h 59 min52% lit
Wed 18 Nov00:26–03:463 h 20 min62% lit
Thu 19 Nov01:06–03:462 h 40 min71% lit
Fri 20 Nov01:47–03:461 h 59 min80% lit
Sat 21 Nov02:31–03:461 h 15 min88% lit
Sun 22 Nov03:20–03:460 h 26 min95% lit
Mon 23 NovMoon up all night–99% lit
Tue 24 NovMoon up all night–100% lit
Wed 25 NovMoon up all night–98% lit
Thu 26 Nov18:46–19:270 h 41 min94% lit
Fri 27 Nov18:46–20:311 h 45 min87% lit
Sat 28 Nov18:47–21:292 h 42 min78% lit
Sun 29 Nov18:47–22:213 h 34 min67% lit
Mon 30 Nov18:48–23:084 h 20 min56% lit
Tue 1 Dec18:48–23:515 h 03 min46% lit
Wed 2 Dec18:49–00:325 h 43 min35% lit

Times are local to Surabaya (Asia/Jakarta). Each bar runs from midday to midday: grey is full darkness with the Moon up, dark blue is full darkness with no Moon.

Also for Surabaya: when the ISS passes over.

Other cities in Indonesia

Computed with astronomy-engine from the Sun’s and Moon’s positions; moonrise and moonset follow the standard almanac definition. Checked against timeanddate.com and the US Naval Observatory for London, November 2026. Updated twice a day.