Sunrise and Sunset times in Viseu, Portugal 
Today:
 Sunrise: 07:47:43
|
 Sunset: 17:05:05
|
Day Length: 9h 17m 22s
Time zone: Europe/Lisbon, UTC 0 h.
Latitude: 40.657, Longitude: -7.91
Viseu
Viseu, Portugal 
26 364 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 07:36:19 | 12:20:45 | 17:05:11 | 9h 28m 52s |
| 2025-Dec-02, Tuesday | 07:37:19 | 12:21:08 | 17:04:57 | 9h 27m 38s |
| 2025-Dec-03, Wednesday | 07:38:18 | 12:21:32 | 17:04:45 | 9h 26m 27s |
| 2025-Dec-04, Thursday | 07:39:16 | 12:21:56 | 17:04:35 | 9h 25m 19s |
| 2025-Dec-05, Friday | 07:40:13 | 12:22:21 | 17:04:28 | 9h 24m 15s |
| 2025-Dec-06, Saturday | 07:41:09 | 12:22:46 | 17:04:23 | 9h 23m 14s |
| 2025-Dec-07, Sunday | 07:42:03 | 12:23:12 | 17:04:20 | 9h 22m 17s |
| 2025-Dec-08, Monday | 07:42:56 | 12:23:38 | 17:04:20 | 9h 21m 24s |
| 2025-Dec-09, Tuesday | 07:43:48 | 12:24:05 | 17:04:21 | 9h 20m 33s |
| 2025-Dec-10, Wednesday | 07:44:38 | 12:24:32 | 17:04:26 | 9h 19m 48s |
| 2025-Dec-11, Thursday | 07:45:26 | 12:24:59 | 17:04:32 | 9h 19m 6s |
| 2025-Dec-12, Friday | 07:46:13 | 12:25:27 | 17:04:41 | 9h 18m 28s |
| 2025-Dec-13, Saturday | 07:46:59 | 12:25:55 | 17:04:52 | 9h 17m 53s |
| 2025-Dec-14, Sunday | 07:47:43 | 12:26:24 | 17:05:05 | 9h 17m 22s |
| 2025-Dec-15, Monday | 07:48:25 | 12:26:53 | 17:05:21 | 9h 16m 56s |
| 2025-Dec-16, Tuesday | 07:49:05 | 12:27:22 | 17:05:39 | 9h 16m 34s |
| 2025-Dec-17, Wednesday | 07:49:44 | 12:27:51 | 17:05:59 | 9h 16m 15s |
| 2025-Dec-18, Thursday | 07:50:21 | 12:28:21 | 17:06:21 | 9h 16m 0s |
| 2025-Dec-19, Friday | 07:50:56 | 12:28:50 | 17:06:45 | 9h 15m 49s |
| 2025-Dec-20, Saturday | 07:51:29 | 12:29:20 | 17:07:12 | 9h 15m 43s |
| 2025-Dec-21, Sunday | 07:52:00 | 12:29:50 | 17:07:40 | 9h 15m 40s |
| 2025-Dec-22, Monday | 07:52:29 | 12:30:20 | 17:08:11 | 9h 15m 42s |
| 2025-Dec-23, Tuesday | 07:52:56 | 12:30:50 | 17:08:44 | 9h 15m 48s |
| 2025-Dec-24, Wednesday | 07:53:20 | 12:31:19 | 17:09:18 | 9h 15m 58s |
| 2025-Dec-25, Thursday | 07:53:43 | 12:31:49 | 17:09:55 | 9h 16m 12s |
| 2025-Dec-26, Friday | 07:54:04 | 12:32:19 | 17:10:33 | 9h 16m 29s |
| 2025-Dec-27, Saturday | 07:54:23 | 12:32:48 | 17:11:14 | 9h 16m 51s |
| 2025-Dec-28, Sunday | 07:54:39 | 12:33:18 | 17:11:56 | 9h 17m 17s |
| 2025-Dec-29, Monday | 07:54:53 | 12:33:47 | 17:12:40 | 9h 17m 47s |
| 2025-Dec-30, Tuesday | 07:55:05 | 12:34:16 | 17:13:26 | 9h 18m 21s |
| 2025-Dec-31, Wednesday | 07:55:15 | 12:34:44 | 17:14:14 | 9h 18m 59s |
Day length in Viseu during the year on the chart:
Viseu on Portugal map:
Locations in the same time zone Europe/Lisbon
Lisbon (Lisboa), Porto (Porto), Braga (Braga), Setubal (Setúbal), Coimbra (Coimbra), Portimao (Faro), Evora (Évora), Aveiro (Aveiro), Leiria (Leiria), Faro (Faro), Beja (Beja), Braganca (Bragança), Castelo Branco (Castelo Branco), Guarda (Guarda), Santarem (Santarém), Covilha (Castelo Branco), Vila Real (Vila Real), Portalegre (Portalegre), Viana do Castelo (Viana do Castelo)
Largest populated areas in Portugal
Lisbon (Lisboa), Porto (Porto), Braga (Braga), Funchal (Madeira), Setubal (Setúbal), Coimbra (Coimbra), Ponta Delgada (Azores), Portimao (Faro), Evora (Évora), Aveiro (Aveiro), Leiria (Leiria), Faro (Faro), Beja (Beja), Braganca (Bragança), Castelo Branco (Castelo Branco), Guarda (Guarda), Santarem (Santarém), Covilha (Castelo Branco), Vila Real (Vila Real), Portalegre (Portalegre), Viana do Castelo (Viana do Castelo), Angra do Heroismo (Azores), Horta (Azores)
Countries closest to Portugal
*Calculation of distances from capital to capital
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks