sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-09-21.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-09-21
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 04:55:16 | 4h 55m 16s | |
| Astronomical Twilight | 04:55:16 | 05:19:17 | 24m 1s | |
| Nautical Twilight | 05:19:17 | 05:43:17 | 24m 0s | |
| Civil Twilight | 05:43:17 | 06:03:54 | 20m 37s | |
| Daylight | 06:03:54 | 18:10:52 | 12h 6m 58s | |
| Civil Twilight | 18:10:52 | 18:31:29 | 20m 37s | |
| Nautical Twilight | 18:31:29 | 18:55:29 | 24m 0s | |
| Astronomical Twilight | 18:55:29 | 19:19:30 | 24m 1s | |
| Night | 19:19:30 | 23:59:59 | 4h 40m 29s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-09-21.
| Sunrise | Solar noon | Sunset | |
| Time | 06:03:54 | 12:07:23 | 18:10:52 |
| Azimuth | 89° | 180° | 270.8° |
| Day Length |  |
12h 6m 58s |  |
Distance Earth-Sun (Center-to-center
12:00):
150 191 851 km93 324 890 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 | -86.6° | 323.8° |
| 100 | -76.7° | 78.2° |
| 200 | -61.9° | 84.7° |
| 300 | -46.9° | 86.7° |
| 400 | -31.9° | 87.8° |
| 500 | -17° | 88.5° |
| 600 | -2° | 89° |
| 700 | 13° | 89.4° |
| 800 | 28° | 89.8° |
| 900 | 43° | 90.3° |
| 1000 | 58° | 90.9° |
| 1100 | 73° | 92.4° |
| 1200 | 87.9° | 111.8° |
| 1300 | 76.9° | 266.6° |
| 1400 | 62° | 268.7° |
| 1500 | 47° | 269.4° |
| 1600 | 32° | 269.9° |
| 1700 | 17° | 270.3° |
| 1800 | 2° | 270.7° |
| 1900 | -13° | 271.2° |
| 2000 | -28° | 271.7° |
| 2100 | -43° | 272.6° |
| 2200 | -58° | 274° |
| 2300 | -72.9° | 277.8° |
| 2400 | -87° | 320.8° |