sun .5deg.comViseu, Portugal Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-08-18.
All times are shown in Viseu local time (GMT+01:00
).
Night, Twilight, and Daylight Times in Viseu for this day: 2026-08-18
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:03:21 | 5h 3m 21s | |
| Astronomical Twilight | 05:03:21 | 05:40:55 | 37m 34s | |
| Nautical Twilight | 05:40:55 | 06:16:06 | 35m 11s | |
| Civil Twilight | 06:16:06 | 06:45:06 | 29m 0s | |
| Daylight | 06:45:06 | 20:25:52 | 13h 40m 46s | |
| Civil Twilight | 20:25:52 | 20:54:53 | 29m 1s | |
| Nautical Twilight | 20:54:53 | 21:30:04 | 35m 11s | |
| Astronomical Twilight | 21:30:04 | 22:07:38 | 37m 34s | |
| Night | 22:07:38 | 23:59:59 | 1h 52m 21s |
Sunrise, Sunset and Solar noon here: Viseu, PT, for day: 2026-08-18.
| Sunrise | Solar noon | Sunset | |
| Time | 06:45:06 | 13:35:29 | 20:25:52 |
| Azimuth | 71.7° | 180° | 288° |
| Day Length |  |
13h 40m 46s |  |
Distance Earth-Sun (Center-to-center
12:00):
151 418 396 km94 087 029 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 | -31.6° | 332.3° |
| 100 | -35.4° | 349.2° |
| 200 | -35.8° | 7.2° |
| 300 | -32.6° | 24.5° |
| 400 | -26.6° | 39.8° |
| 500 | -18.4° | 52.9° |
| 600 | -8.7° | 64.1° |
| 700 | 1.9° | 74.2° |
| 800 | 13.1° | 83.7° |
| 900 | 24.4° | 93.4° |
| 1000 | 35.7° | 104.3° |
| 1100 | 46.3° | 117.6° |
| 1200 | 55.4° | 135.8° |
| 1300 | 61.4° | 161.5° |
| 1400 | 62° | 192.6° |
| 1500 | 56.9° | 219.8° |
| 1600 | 48.2° | 239.2° |
| 1700 | 37.8° | 253.3° |
| 1800 | 26.6° | 264.5° |
| 1900 | 15.2° | 274.3° |
| 2000 | 4° | 283.8° |
| 2100 | -6.8° | 293.7° |
| 2200 | -16.7° | 304.7° |
| 2300 | -25.3° | 317.3° |
| 2400 | -31.9° | 332.2° |