sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-03-31.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-03-31
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:05:43 | 5h 5m 43s | |
| Astronomical Twilight | 05:05:43 | 05:29:49 | 24m 6s | |
| Nautical Twilight | 05:29:49 | 05:53:54 | 24m 5s | |
| Civil Twilight | 05:53:54 | 06:14:34 | 20m 40s | |
| Daylight | 06:14:34 | 18:22:21 | 12h 7m 47s | |
| Civil Twilight | 18:22:21 | 18:43:01 | 20m 40s | |
| Nautical Twilight | 18:43:01 | 19:07:06 | 24m 5s | |
| Astronomical Twilight | 19:07:06 | 19:31:12 | 24m 6s | |
| Night | 19:31:12 | 23:59:59 | 4h 28m 47s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-03-31.
| Sunrise | Solar noon | Sunset | |
| Time | 06:14:34 | 12:18:27 | 18:22:21 |
| Azimuth | 86.1° | 0° | 274.1° |
| Day Length |  |
12h 7m 47s |  |
Distance Earth-Sun (Center-to-center
12:00):
149 451 997 km92 865 166 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 | -82.8° | 318.8° |
| 100 | -78.4° | 61.8° |
| 200 | -64.2° | 77.7° |
| 300 | -49.4° | 82.1° |
| 400 | -34.5° | 84.2° |
| 500 | -19.6° | 85.3° |
| 600 | -4.6° | 86° |
| 700 | 10.3° | 86.3° |
| 800 | 25.3° | 86.5° |
| 900 | 40.3° | 86.3° |
| 1000 | 55.2° | 85.5° |
| 1100 | 70.2° | 82.9° |
| 1200 | 84.7° | 63.8° |
| 1300 | 79.5° | 283° |
| 1400 | 64.7° | 275.9° |
| 1500 | 49.7° | 274.3° |
| 1600 | 34.8° | 273.8° |
| 1700 | 19.8° | 273.7° |
| 1800 | 4.8° | 274° |
| 1900 | -10.1° | 274.5° |
| 2000 | -25.1° | 275.3° |
| 2100 | -40° | 276.8° |
| 2200 | -54.8° | 279.6° |
| 2300 | -69.5° | 286.5° |
| 2400 | -82.5° | 321.2° |