sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-08-31.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-08-31
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:00:41 | 5h 0m 41s | |
| Astronomical Twilight | 05:00:41 | 05:25:01 | 24m 20s | |
| Nautical Twilight | 05:25:01 | 05:49:19 | 24m 18s | |
| Civil Twilight | 05:49:19 | 06:10:11 | 20m 52s | |
| Daylight | 06:10:11 | 18:19:04 | 12h 8m 53s | |
| Civil Twilight | 18:19:04 | 18:39:56 | 20m 52s | |
| Nautical Twilight | 18:39:56 | 19:04:15 | 24m 19s | |
| Astronomical Twilight | 19:04:15 | 19:28:35 | 24m 20s | |
| Night | 19:28:35 | 23:59:59 | 4h 31m 24s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-08-31.
| Sunrise | Solar noon | Sunset | |
| Time | 06:10:11 | 12:14:38 | 18:19:04 |
| Azimuth | 81.1° | 0° | 278.7° |
| Day Length |  |
12h 8m 53s |  |
Distance Earth-Sun (Center-to-center
12:00):
151 006 910 km93 831 344 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 | -78.7° | 340.5° |
| 100 | -74.6° | 46.2° |
| 200 | -61.8° | 67.4° |
| 300 | -47.6° | 74.8° |
| 400 | -33° | 78.2° |
| 500 | -18.3° | 80.1° |
| 600 | -3.5° | 81° |
| 700 | 11.3° | 81.3° |
| 800 | 26.2° | 80.9° |
| 900 | 40.9° | 79.7° |
| 1000 | 55.6° | 76.7° |
| 1100 | 70° | 68.4° |
| 1200 | 81.9° | 27.6° |
| 1300 | 76.7° | 302.9° |
| 1400 | 62.9° | 286.2° |
| 1500 | 48.4° | 281.3° |
| 1600 | 33.6° | 279.4° |
| 1700 | 18.8° | 278.7° |
| 1800 | 4° | 278.6° |
| 1900 | -10.9° | 279.2° |
| 2000 | -25.6° | 280.5° |
| 2100 | -40.3° | 282.9° |
| 2200 | -54.8° | 287.6° |
| 2300 | -68.7° | 299.2° |
| 2400 | -79.1° | 340.2° |