Canada
Time now in Thunder Bay
Sunrise 06:59Sunset 09:01Time zone UTC −4
Time zone
America/Toronto
UTC offset
UTC −4
Daylight saving
In effect now
Population
108,843
Sunrise
06:59
Sunset
09:01
Day length
14h 02m
Coordinates
48.38, -89.25
Time difference from Thunder Bay
Hours ahead (right) or behind (left) Thunder Bay right now.
Thunder Bay on the map
About the time in Thunder Bay
If you are coordinating from another country, the shortcut is the working window: a normal Thunder Bay day of 09:00–17:00 falls between 13:00–21:00 UTC. Convert your own hours into UTC once and you can tell at a glance whether someone there is likely to be at their desk.
Thunder Bay runs on America/Toronto, which puts the city UTC −4 from Coordinated Universal Time right now. The clock at the top of this page is not copied from your device: it is anchored to our reference timestamp and re-rendered every second against the IANA time zone database, so it stays right even when a laptop or phone has quietly drifted.
Around 108,843 people live in Thunder Bay, and all of them keep the same civil time, so the reading above applies to the whole urban area — not just the city centre.
Frequently asked questions about time in Thunder Bay
- What time is it in Thunder Bay right now?
- The live clock above shows the current time in Thunder Bay, updating every second from America/Toronto (UTC −4).
- What are normal business hours in Thunder Bay in UTC?
- A 09:00–17:00 working day in Thunder Bay runs from 13:00–21:00 UTC today.
- Which time zone is Thunder Bay in?
- Thunder Bay uses America/Toronto, currently UTC −4.
- Does Thunder Bay change its clocks for daylight saving?
- Yes, and it is in effect now. Clocks change again on 1 November 2026.
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