Bontang
Sunrise and sunset in Bontang
Today’s sunrise, sunset and twilight in Bontang, in local time. At 0.1° N, near the equator, the day lasts about 12 h 07 min all year round.
Today · worked out at
Thursday, October 22: sunrise at 05:51, sunset at 17:57.
Day length 12 h 07 min, the same as yesterday.
Solar noon at 11:54, with the Sun 79° above the horizon.
Times are Bontang time (GMT+8).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:41 | 19:07 |
| Nautical twilight | 05:05 | 18:43 |
| Civil twilight | 05:30 | 18:18 |
| Sunrise and sunset | 05:51 | 17:57 |
| Golden hour | 05:51–06:19 | 17:29–17:57 |
Each twilight begins at the morning time and ends at the evening one.
Fajr, Dhuhr, Asr, Maghrib and Isha: Prayer times in Bontang
The year in Bontang
- Longest day: June 21, 12 h 08 min, from sunrise at 06:07 to sunset at 18:15.
- Shortest day: October 6, 12 h 06 min, from sunrise at 05:55 to sunset at 18:01.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:17 | 18:24 | 12 h 07 min |
| February 21 | 06:20 | 18:26 | 12 h 07 min |
| March 21 | 06:14 | 18:20 | 12 h 07 min |
| April 21 | 06:05 | 18:12 | 12 h 07 min |
| May 21 | 06:02 | 18:10 | 12 h 08 min |
| June 21 | 06:07 | 18:15 | 12 h 08 min |
| July 21 | 06:12 | 18:20 | 12 h 08 min |
| August 21 | 06:09 | 18:16 | 12 h 07 min |
| September 21 | 06:00 | 18:06 | 12 h 06 min |
| October 21 | 05:51 | 17:57 | 12 h 06 min |
| November 21 | 05:52 | 17:59 | 12 h 07 min |
| December 21 | 06:04 | 18:11 | 12 h 07 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 0.1° N, 117.5° E, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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