Sunrise and Sunset times in Viana do Castelo, Portugal 
Today:
 Sunrise: 07:12:39
|
 Sunset: 17:25:16
|
Day Length: 10h 12m 37s
Time zone: Europe/Lisbon, UTC 0 h.
Latitude: 41.6962, Longitude: -8.8441
Viana do Castelo
☁️ Low chance of a spectacular sunset.
Viana do Castelo, Portugal 
15 555 people
Current temperature 12 ° C 
Sunny
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Nov-01, Saturday | 07:07:48 | 12:18:57 | 17:30:05 | 10h 22m 17s |
| 2025-Nov-02, Sunday | 07:09:01 | 12:18:56 | 17:28:51 | 10h 19m 50s |
| 2025-Nov-03, Monday | 07:10:13 | 12:18:56 | 17:27:38 | 10h 17m 25s |
| 2025-Nov-04, Tuesday | 07:11:26 | 12:18:56 | 17:26:26 | 10h 15m 0s |
| 2025-Nov-05, Wednesday | 07:12:39 | 12:18:58 | 17:25:16 | 10h 12m 37s |
| 2025-Nov-06, Thursday | 07:13:53 | 12:19:00 | 17:24:08 | 10h 10m 15s |
| 2025-Nov-07, Friday | 07:15:06 | 12:19:04 | 17:23:01 | 10h 7m 55s |
| 2025-Nov-08, Saturday | 07:16:19 | 12:19:08 | 17:21:56 | 10h 5m 37s |
| 2025-Nov-09, Sunday | 07:17:32 | 12:19:13 | 17:20:53 | 10h 3m 21s |
| 2025-Nov-10, Monday | 07:18:46 | 12:19:18 | 17:19:51 | 10h 1m 5s |
| 2025-Nov-11, Tuesday | 07:19:59 | 12:19:25 | 17:18:51 | 9h 58m 52s |
| 2025-Nov-12, Wednesday | 07:21:12 | 12:19:33 | 17:17:53 | 9h 56m 41s |
| 2025-Nov-13, Thursday | 07:22:25 | 12:19:41 | 17:16:57 | 9h 54m 32s |
| 2025-Nov-14, Friday | 07:23:38 | 12:19:50 | 17:16:02 | 9h 52m 24s |
| 2025-Nov-15, Saturday | 07:24:50 | 12:20:00 | 17:15:10 | 9h 50m 20s |
| 2025-Nov-16, Sunday | 07:26:03 | 12:20:11 | 17:14:19 | 9h 48m 16s |
| 2025-Nov-17, Monday | 07:27:15 | 12:20:23 | 17:13:31 | 9h 46m 16s |
| 2025-Nov-18, Tuesday | 07:28:26 | 12:20:35 | 17:12:44 | 9h 44m 18s |
| 2025-Nov-19, Wednesday | 07:29:38 | 12:20:49 | 17:11:59 | 9h 42m 21s |
| 2025-Nov-20, Thursday | 07:30:49 | 12:21:03 | 17:11:17 | 9h 40m 28s |
| 2025-Nov-21, Friday | 07:31:59 | 12:21:18 | 17:10:36 | 9h 38m 37s |
| 2025-Nov-22, Saturday | 07:33:09 | 12:21:34 | 17:09:58 | 9h 36m 49s |
| 2025-Nov-23, Sunday | 07:34:18 | 12:21:50 | 17:09:22 | 9h 35m 4s |
| 2025-Nov-24, Monday | 07:35:27 | 12:22:07 | 17:08:48 | 9h 33m 21s |
| 2025-Nov-25, Tuesday | 07:36:35 | 12:22:26 | 17:08:16 | 9h 31m 41s |
| 2025-Nov-26, Wednesday | 07:37:42 | 12:22:44 | 17:07:47 | 9h 30m 5s |
| 2025-Nov-27, Thursday | 07:38:49 | 12:23:04 | 17:07:19 | 9h 28m 30s |
| 2025-Nov-28, Friday | 07:39:55 | 12:23:24 | 17:06:54 | 9h 26m 59s |
| 2025-Nov-29, Saturday | 07:40:59 | 12:23:45 | 17:06:31 | 9h 25m 32s |
| 2025-Nov-30, Sunday | 07:42:03 | 12:24:07 | 17:06:11 | 9h 24m 8s |
Day length in Viana do Castelo during the year on the chart:
Viana do Castelo 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), Viseu (Viseu), Covilha (Castelo Branco), Vila Real (Vila Real), Portalegre (Portalegre)
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), Viseu (Viseu), Covilha (Castelo Branco), Vila Real (Vila Real), Portalegre (Portalegre), 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