sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-09-18.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-09-18
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 04:56:09 | 4h 56m 9s | |
| Astronomical Twilight | 04:56:09 | 05:20:11 | 24m 2s | |
| Nautical Twilight | 05:20:11 | 05:44:13 | 24m 2s | |
| Civil Twilight | 05:44:13 | 06:04:50 | 20m 37s | |
| Daylight | 06:04:50 | 18:12:04 | 12h 7m 14s | |
| Civil Twilight | 18:12:04 | 18:32:42 | 20m 38s | |
| Nautical Twilight | 18:32:42 | 18:56:43 | 24m 1s | |
| Astronomical Twilight | 18:56:43 | 19:20:45 | 24m 2s | |
| Night | 19:20:45 | 23:59:59 | 4h 39m 14s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-09-18.
| Sunrise | Solar noon | Sunset | |
| Time | 06:04:50 | 12:08:27 | 18:12:04 |
| Azimuth | 87.8° | 20° | 272° |
| Day Length |  |
12h 7m 14s |  |
Distance Earth-Sun (Center-to-center
12:00):
150 315 818 km93 401 919 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 | -85.5° | 329.8° |
| 100 | -76.7° | 73° |
| 200 | -62° | 82.1° |
| 300 | -47.1° | 85° |
| 400 | -32.1° | 86.4° |
| 500 | -17.2° | 87.2° |
| 600 | -2.2° | 87.8° |
| 700 | 12.8° | 88.2° |
| 800 | 27.8° | 88.5° |
| 900 | 42.8° | 88.7° |
| 1000 | 57.8° | 88.7° |
| 1100 | 72.8° | 88.4° |
| 1200 | 87.7° | 80.4° |
| 1300 | 77.2° | 271.8° |
| 1400 | 62.2° | 271.2° |
| 1500 | 47.2° | 271.1° |
| 1600 | 32.2° | 271.3° |
| 1700 | 17.3° | 271.5° |
| 1800 | 2.3° | 271.9° |
| 1900 | -12.7° | 272.4° |
| 2000 | -27.7° | 273° |
| 2100 | -42.7° | 274.1° |
| 2200 | -57.6° | 276.2° |
| 2300 | -72.5° | 281.5° |
| 2400 | -85.9° | 328.1° |