sun .5deg.comViseu, Portugal Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-05-18.
All times are shown in Viseu local time (GMT+01:00
).
Night, Twilight, and Daylight Times in Viseu for this day: 2026-05-18
| Zone Type | Start | End | Length | |
| Night | 00:00:00 | 04:17:36 | 4h 17m 36s | |
| Astronomical Twilight | 04:17:36 | 05:01:24 | 43m 48s | |
| Nautical Twilight | 05:01:24 | 05:40:28 | 39m 4s | |
| Civil Twilight | 05:40:28 | 06:11:45 | 31m 17s | |
| Daylight | 06:11:45 | 20:44:24 | 14h 32m 39s | |
| Civil Twilight | 20:44:24 | 21:15:42 | 31m 18s | |
| Nautical Twilight | 21:15:42 | 21:54:46 | 39m 4s | |
| Astronomical Twilight | 21:54:46 | 22:38:34 | 43m 48s | |
| Night | 22:38:34 | 23:59:59 | 1h 21m 25s |
Sunrise, Sunset and Solar noon here: Viseu, PT, for day: 2026-05-18.
| Sunrise | Solar noon | Sunset | |
| Time | 06:11:45 | 13:28:05 | 20:44:24 |
| Azimuth | 63° | 180° | 297° |
| Day Length | ![]() |
14h 32m 39s | ![]() |
Distance Earth-Sun (Center-to-center
12:00):
151 332 994 km94 033 963 mi
0°= North, 180°=South
Table view of above data:
(Azimuth: 0°=North, 90°=West, 180°=South, 270°=East)
| Time | Altitude | Azimuth |
| 000 | -26.5° | 336.6° |
| 100 | -29.6° | 352.3° |
| 200 | -29.5° | 8.6° |
| 300 | -26.2° | 24.2° |
| 400 | -20.3° | 38.2° |
| 500 | -12.4° | 50.4° |
| 600 | -3° | 61° |
| 700 | 7.4° | 70.7° |
| 800 | 18.4° | 79.8° |
| 900 | 29.7° | 89.1° |
| 1000 | 41.1° | 99.5° |
| 1100 | 52° | 112.6° |
| 1200 | 61.7° | 131.7° |
| 1300 | 68° | 161.9° |
| 1400 | 67.8° | 200.1° |
| 1500 | 61.2° | 229.6° |
| 1600 | 51.4° | 248.3° |
| 1700 | 40.5° | 261.2° |
| 1800 | 29.1° | 271.5° |
| 1900 | 17.8° | 280.8° |
| 2000 | 6.9° | 289.9° |
| 2100 | -3.4° | 299.6° |
| 2200 | -12.7° | 310.4° |
| 2300 | -20.6° | 322.6° |
| 2400 | -26.3° | 336.7° |