sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-01-31.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-01-31
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:14:12 | 5h 14m 12s | |
| Astronomical Twilight | 05:14:12 | 05:39:23 | 25m 11s | |
| Nautical Twilight | 05:39:23 | 06:04:32 | 25m 9s | |
| Civil Twilight | 06:04:32 | 06:26:06 | 21m 34s | |
| Daylight | 06:26:06 | 18:29:05 | 12h 2m 59s | |
| Civil Twilight | 18:29:05 | 18:50:39 | 21m 34s | |
| Nautical Twilight | 18:50:39 | 19:15:49 | 25m 10s | |
| Astronomical Twilight | 19:15:49 | 19:41:00 | 25m 11s | |
| Night | 19:41:00 | 23:59:59 | 4h 18m 59s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-01-31.
| Sunrise | Solar noon | Sunset | |
| Time | 06:26:06 | 12:27:36 | 18:29:05 |
| Azimuth | 107.5° | 180° | 252.6° |
| Day Length |  |
12h 2m 59s |  |
Distance Earth-Sun (Center-to-center
12:00):
147 390 453 km91 584 182 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 | -72.6° | 202.8° |
| 100 | -72.2° | 154.2° |
| 200 | -62.3° | 126.6° |
| 300 | -49.4° | 115.5° |
| 400 | -35.6° | 110.5° |
| 500 | -21.4° | 108.3° |
| 600 | -7.2° | 107.5° |
| 700 | 7.1° | 107.9° |
| 800 | 21.3° | 109.6° |
| 900 | 35.3° | 113° |
| 1000 | 48.8° | 119.4° |
| 1100 | 61.1° | 132.5° |
| 1200 | 69.6° | 160.5° |
| 1300 | 69.3° | 202.1° |
| 1400 | 60.3° | 228.9° |
| 1500 | 47.9° | 241.3° |
| 1600 | 34.4° | 247.4° |
| 1700 | 20.4° | 250.7° |
| 1800 | 6.2° | 252.3° |
| 1900 | -8.1° | 252.6° |
| 2000 | -22.4° | 251.8° |
| 2100 | -36.6° | 249.5° |
| 2200 | -50.4° | 244.3° |
| 2300 | -63.3° | 232.7° |
| 2400 | -72.9° | 203.3° |