Viana do Castelo — sunrise and sunset times

Calculate the sunrise and sunset times in Viana do Castelo, and the day length for any given day of the year.

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Viana do Castelo — sunrise, sunset, length of day 16/07/2025
Sunrise	06:13:36
Sunset	21:09:21
Day length	14:55:45
Sun at its zenith	13:41:28
Civil dawn	05:42:19
Civil Twilight	21:40:38
Nautical dawn	05:00:41
Nautical Twilight	22:22:15
Astronomical dawn	04:12:28
Astronomical Twilight	23:10:28