Thunder Bay — sunrise and sunset times

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

Start typing the name of the city where you want to know the sunrise and sunset times.

Thunder Bay — sunrise, sunset, length of day 21/09/2025
Sunrise	07:43:00 AM
Sunset	07:56:46 PM
Day length	12:13:46
Sun at zenith	01:49:53 PM
Civil dawn	07:11:52 AM
Civil dusk	08:27:54 PM
Nautical dawn	06:35:02 AM
Nautical dusk	09:04:44 PM
Astronomical dawn	05:56:57 AM
Astronomical dusk	09:42:49 PM