sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-08-18.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-08-18
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:02:29 | 5h 2m 29s | |
| Astronomical Twilight | 05:02:29 | 05:27:14 | 24m 45s | |
| Nautical Twilight | 05:27:14 | 05:51:56 | 24m 42s | |
| Civil Twilight | 05:51:56 | 06:13:07 | 21m 11s | |
| Daylight | 06:13:07 | 18:23:10 | 12h 10m 3s | |
| Civil Twilight | 18:23:10 | 18:44:21 | 21m 11s | |
| Nautical Twilight | 18:44:21 | 19:09:03 | 24m 42s | |
| Astronomical Twilight | 19:09:03 | 19:33:48 | 24m 45s | |
| Night | 19:33:48 | 23:59:59 | 4h 26m 11s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-08-18.
| Sunrise | Solar noon | Sunset | |
| Time | 06:13:07 | 12:18:09 | 18:23:10 |
| Azimuth | 76.6° | 0° | 283.2° |
| Day Length |  |
12h 10m 3s |  |
Distance Earth-Sun (Center-to-center
12:00):
151 425 657 km94 091 541 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 | -74.2° | 343.1° |
| 100 | -71.8° | 34° |
| 200 | -60.7° | 58.3° |
| 300 | -47.3° | 68.1° |
| 400 | -33.1° | 72.9° |
| 500 | -18.7° | 75.3° |
| 600 | -4.1° | 76.5° |
| 700 | 10.5° | 76.8° |
| 800 | 25° | 76.1° |
| 900 | 39.5° | 74.1° |
| 1000 | 53.8° | 69.6° |
| 1100 | 67.4° | 58.2° |
| 1200 | 77.5° | 21.4° |
| 1300 | 74.5° | 318.9° |
| 1400 | 62.4° | 295.9° |
| 1500 | 48.4° | 288.1° |
| 1600 | 34° | 284.8° |
| 1700 | 19.5° | 283.4° |
| 1800 | 4.9° | 283.1° |
| 1900 | -9.7° | 283.6° |
| 2000 | -24.2° | 285.2° |
| 2100 | -38.6° | 288.3° |
| 2200 | -52.6° | 294.3° |
| 2300 | -65.6° | 307.8° |
| 2400 | -74.6° | 342.9° |