sun .5deg.comViseu, Portugal Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-05-17.
All times are shown in Viseu local time (GMT+01:00
).
Night, Twilight, and Daylight Times in Viseu for this day: 2026-05-17
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 04:19:02 | 4h 19m 2s | |
| Astronomical Twilight | 04:19:02 | 05:02:33 | 43m 31s | |
| Nautical Twilight | 05:02:33 | 05:41:26 | 38m 53s | |
| Civil Twilight | 05:41:26 | 06:12:38 | 31m 12s | |
| Daylight | 06:12:38 | 20:43:28 | 14h 30m 50s | |
| Civil Twilight | 20:43:28 | 21:14:39 | 31m 11s | |
| Nautical Twilight | 21:14:39 | 21:53:33 | 38m 54s | |
| Astronomical Twilight | 21:53:33 | 22:37:04 | 43m 31s | |
| Night | 22:37:04 | 23:59:59 | 1h 22m 55s |
Sunrise, Sunset and Solar noon here: Viseu, PT, for day: 2026-05-17.
| Sunrise | Solar noon | Sunset | |
| Time | 06:12:38 | 13:28:03 | 20:43:28 |
| Azimuth | 63.3° | 180° | 296.7° |
| Day Length |  |
14h 30m 50s |  |
Distance Earth-Sun (Center-to-center
12:00):
151 302 141 km94 014 792 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 | -26.7° | 336.6° |
| 100 | -29.8° | 352.3° |
| 200 | -29.7° | 8.6° |
| 300 | -26.5° | 24.3° |
| 400 | -20.5° | 38.3° |
| 500 | -12.6° | 50.5° |
| 600 | -3.1° | 61.2° |
| 700 | 7.3° | 70.8° |
| 800 | 18.3° | 80° |
| 900 | 29.6° | 89.3° |
| 1000 | 40.9° | 99.7° |
| 1100 | 51.8° | 112.9° |
| 1200 | 61.5° | 132° |
| 1300 | 67.8° | 162.1° |
| 1400 | 67.6° | 199.9° |
| 1500 | 61° | 229.4° |
| 1600 | 51.3° | 248° |
| 1700 | 40.3° | 261° |
| 1800 | 29° | 271.3° |
| 1900 | 17.7° | 280.6° |
| 2000 | 6.7° | 289.8° |
| 2100 | -3.6° | 299.5° |
| 2200 | -12.9° | 310.2° |
| 2300 | -20.8° | 322.5° |
| 2400 | -26.5° | 336.6° |