Sun Times in Viana do Castelo
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Frequently Asked Questions
What time is sunrise in Viana do Castelo?
Sunrise in Viana do Castelo on Friday, August 21, 2026 is at 6:49 AM (Europe/Lisbon). This time is calculated from the city's coordinates.
What time is sunset in Viana do Castelo?
Sunset in Viana do Castelo on Friday, August 21, 2026 is at 8:26 PM (Europe/Lisbon). This time is calculated from the city's coordinates.
When is golden hour in Viana do Castelo?
Morning golden hour in Viana do Castelo ends at 7:27 AM. Evening golden hour starts at 7:48 PM.
How long is the day in Viana do Castelo?
On Friday, August 21, 2026 in Viana do Castelo there are 13 hours and 36 minutes of daylight between sunrise and sunset.
What time is the sun at its highest point in Viana do Castelo?
The sun reaches its highest point (solar noon) in Viana do Castelo at 1:38 PM (Europe/Lisbon). This is when the sun crosses the meridian and shadows are at their shortest.
What time does it get dark in Viana do Castelo?
In Viana do Castelo, sunset is at 8:26 PM and it gets fully dark (astronomical dusk) at 10:08 PM (Europe/Lisbon). Civil twilight ends at 8:55 PM when outdoor activities need artificial light.
How long does twilight last in Viana do Castelo?
Twilight in Viana do Castelo lasts approximately 102 minutes from sunset to full darkness (astronomical dusk). This includes civil twilight, nautical twilight, and astronomical twilight.
What is the earliest sunrise of the year in Viana do Castelo?
The earliest sunrise in Viana do Castelo in 2026 is at 6:00 AM on June 8 (Europe/Lisbon). This occurs around the summer solstice when days are longest.
What is the latest sunset of the year in Viana do Castelo?
The latest sunset in Viana do Castelo in 2026 is at 9:14 PM on June 27 (Europe/Lisbon). This occurs shortly after the summer solstice.
What time does it actually get dark after sunset in Viana do Castelo?
After sunset at 8:26 PM in Viana do Castelo, civil twilight ends at 8:55 PM — about 29 minutes later — when the sky becomes too dark for outdoor activities without artificial light. Full darkness (astronomical dusk) arrives at 10:08 PM (Europe/Lisbon).
What these times mean
Solar times in Viana do Castelo shift throughout the year. Each stage of the day brings distinct light that photographers, outdoor planners, and everyday users rely on.
- Dawn
- The first usable twilight before sunrise, when the horizon brightens and color gradually returns to the sky.
- Sunrise
- The moment the upper edge of the sun appears above the horizon, starting direct daylight.
- Golden Hour
- The low-angle window just after sunrise and just before sunset, producing warm, soft light favored by photographers.
- Sunset
- The moment the upper edge of the sun drops below the horizon, ending direct sunlight for the day.
- Dusk
- The fading twilight after sunset, ending with astronomical dusk when the sky becomes fully dark.
Monthly daylight in Viana do Castelo
Sunrise, sunset, and total daylight in Viana do Castelo on the 15th of each month for 2026. Times reflect the city's local timezone.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:00 AM | 5:29 PM | 9h 30m |
| February | 7:30 AM | 6:08 PM | 10h 38m |
| March | 6:47 AM | 6:41 PM | 11h 54m |
| April | 6:55 AM | 8:15 PM | 13h 20m |
| May | 6:15 AM | 8:48 PM | 14h 32m |
| June | 6:00 AM | 9:11 PM | 15h 11m |
| July | 6:13 AM | 9:08 PM | 14h 54m |
| August | 6:43 AM | 8:35 PM | 13h 52m |
| September | 7:15 AM | 7:44 PM | 12h 29m |
| October | 7:47 AM | 6:54 PM | 11h 07m |
| November | 7:24 AM | 5:15 PM | 9h 51m |
| December | 7:55 AM | 5:05 PM | 9h 10m |
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