Viseu — sunrise and sunset times

Calculate sunrise and sunset times in Viseu, day length for any day of the year.

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Viseu — sunrise, sunset, length of day 20/10/2025
Sunrise	07:48:34 am
Sunset	06:44:15 pm
Day length	10:55:41
Sun at zenith	01:16:25 pm
Civil dawn	07:20:54 am
Civil dusk	07:11:55 pm
Nautical dawn	06:49:04 am
Nautical dusk	07:43:45 pm
Astronomical dawn	06:17:25 am
Astronomical dusk	08:15:24 pm