sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-08-21.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-08-21
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:02:12 | 5h 2m 12s | |
| Astronomical Twilight | 05:02:12 | 05:26:51 | 24m 39s | |
| Nautical Twilight | 05:26:51 | 05:51:27 | 24m 36s | |
| Civil Twilight | 05:51:27 | 06:12:33 | 21m 6s | |
| Daylight | 06:12:33 | 18:22:20 | 12h 9m 47s | |
| Civil Twilight | 18:22:20 | 18:43:26 | 21m 6s | |
| Nautical Twilight | 18:43:26 | 19:08:02 | 24m 36s | |
| Astronomical Twilight | 19:08:02 | 19:32:41 | 24m 39s | |
| Night | 19:32:41 | 23:59:59 | 4h 27m 18s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-08-21.
| Sunrise | Solar noon | Sunset | |
| Time | 06:12:33 | 12:17:27 | 18:22:20 |
| Azimuth | 77.6° | 0° | 282.2° |
| Day Length |  |
12h 9m 47s |  |
Distance Earth-Sun (Center-to-center
12:00):
151 336 354 km94 036 051 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 | -75.2° | 342.6° |
| 100 | -72.5° | 36.3° |
| 200 | -61° | 60.3° |
| 300 | -47.4° | 69.6° |
| 400 | -33.1° | 74° |
| 500 | -18.6° | 76.4° |
| 600 | -4° | 77.5° |
| 700 | 10.6° | 77.8° |
| 800 | 25.3° | 77.2° |
| 900 | 39.9° | 75.3° |
| 1000 | 54.2° | 71.1° |
| 1100 | 68° | 60.3° |
| 1200 | 78.5° | 22.4° |
| 1300 | 75.1° | 315.8° |
| 1400 | 62.6° | 293.8° |
| 1500 | 48.5° | 286.7° |
| 1600 | 34° | 283.6° |
| 1700 | 19.4° | 282.3° |
| 1800 | 4.7° | 282.1° |
| 1900 | -10° | 282.7° |
| 2000 | -24.5° | 284.2° |
| 2100 | -39° | 287.1° |
| 2200 | -53.1° | 292.9° |
| 2300 | -66.3° | 306° |
| 2400 | -75.5° | 342.4° |