sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-01-21.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-01-21
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:11:13 | 5h 11m 13s | |
| Astronomical Twilight | 05:11:13 | 05:36:47 | 25m 34s | |
| Nautical Twilight | 05:36:47 | 06:02:19 | 25m 32s | |
| Civil Twilight | 06:02:19 | 06:24:13 | 21m 54s | |
| Daylight | 06:24:13 | 18:26:39 | 12h 2m 26s | |
| Civil Twilight | 18:26:39 | 18:48:33 | 21m 54s | |
| Nautical Twilight | 18:48:33 | 19:14:05 | 25m 32s | |
| Astronomical Twilight | 19:14:05 | 19:39:40 | 25m 35s | |
| Night | 19:39:40 | 23:59:59 | 4h 20m 19s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-01-21.
| Sunrise | Solar noon | Sunset | |
| Time | 06:24:13 | 12:25:26 | 18:26:39 |
| Azimuth | 110° | 180° | 250.1° |
| Day Length |  |
12h 2m 26s |  |
Distance Earth-Sun (Center-to-center
12:00):
147 220 180 km91 478 379 mi
0°= North, 180°=South
Solar noon
Table view of above data:
(Azimuth: 0°=North, 90°=West, 180°=South, 270°=East)
| Time | Altitude | Azimuth |
| 000 | -70.5° | 198.3° |
| 100 | -69.7° | 156.1° |
| 200 | -60.5° | 130.2° |
| 300 | -48° | 118.8° |
| 400 | -34.6° | 113.4° |
| 500 | -20.7° | 110.8° |
| 600 | -6.6° | 110° |
| 700 | 7.5° | 110.5° |
| 800 | 21.5° | 112.3° |
| 900 | 35.1° | 116.1° |
| 1000 | 48.2° | 123.1° |
| 1100 | 59.8° | 136.9° |
| 1200 | 67.4° | 164.1° |
| 1300 | 66.8° | 200.8° |
| 1400 | 58.3° | 225.7° |
| 1500 | 46.4° | 238.2° |
| 1600 | 33.2° | 244.7° |
| 1700 | 19.5° | 248.1° |
| 1800 | 5.5° | 249.8° |
| 1900 | -8.6° | 250.1° |
| 2000 | -22.7° | 249.1° |
| 2100 | -36.5° | 246.3° |
| 2200 | -50° | 240.3° |
| 2300 | -62.2° | 227.5° |
| 2400 | -70.7° | 198.7° |