DST Starts
Sunday, March 8, 2026
1:59 AM
UTC -05:00 → UTC -04:00
Daylight Saving Time in Thunder Bay
Check when daylight saving time starts and ends in Thunder Bay, when the clocks change, and how the local UTC offset changes during the year.
2026 DST
Thunder Bay, Canada
America/Thunder_Bay
DST Ends
Sunday, November 1, 2026
1:59 AM
UTC -04:00 → UTC -05:00
Daylight Saving Time in Thunder Bay in 2026
Daylight Saving Time Starts
The clock change occurs on Sunday, March 8, 2026.
1:59 AM
UTC -05:00UTC -04:00
Daylight Saving Time Ends
The clock change occurs on Sunday, November 1, 2026.
1:59 AM
UTC -04:00UTC -05:00
DST Dates for Thunder Bay by Year
| Year | DST Starts | DST Ends |
|---|---|---|
| 2023 | Sunday, March 12, 2023 1:59 AM | Sunday, November 5, 2023 1:59 AM |
| 2024 | Sunday, March 10, 2024 1:59 AM | Sunday, November 3, 2024 1:59 AM |
| 2025 | Sunday, March 9, 2025 1:59 AM | Sunday, November 2, 2025 1:59 AM |
| 2026 | Sunday, March 8, 2026 1:59 AM | Sunday, November 1, 2026 1:59 AM |
| 2027 | Sunday, March 14, 2027 1:59 AM | Sunday, November 7, 2027 1:59 AM |
| 2028 | Sunday, March 12, 2028 1:59 AM | Sunday, November 5, 2028 1:59 AM |
| 2029 | Sunday, March 11, 2029 1:59 AM | Sunday, November 4, 2029 1:59 AM |
Does Thunder Bay Use Daylight Saving Time?
Thunder Bay has seasonal clock changes in 2026. Its UTC offset changes during the year according to the America/Thunder_Bay time zone data.
Thunder Bay Time Zone
The IANA time zone identifier used for Thunder Bay is America/Thunder_Bay.
Daylight Saving Time in Thunder Bay FAQ
Does Thunder Bay observe daylight saving time?
Thunder Bay has seasonal clock changes in 2026 according to the America/Thunder_Bay time zone data.
When does daylight saving time start in Thunder Bay in 2026?
Daylight saving time starts in Thunder Bay on Sunday, March 8, 2026.
When does daylight saving time end in Thunder Bay in 2026?
Daylight saving time ends in Thunder Bay on Sunday, November 1, 2026.
What time zone is Thunder Bay in?
Thunder Bay uses the IANA time zone identifier America/Thunder_Bay.
Do the clocks change in Thunder Bay in 2026?
Yes. Thunder Bay has seasonal clock changes in 2026.
Daylight Saving Time in Other Cities
Compare daylight saving time dates, clock changes and time zones in other cities.