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Clock Changes in Thunder Bay, Ontario, Canada

Next change:
Mar
8
1 hour Forward

Mar 8, 2026, 2:00 am

Start DST: Sunday, March 9, 2025 — 1 hour forward
End DST: Sunday, November 2, 2025 — 1 hour backward
Location of Thunder BayLocation

Mar 9

Forward 1 hour

Mar 9, 2025 - Daylight Saving Time Started

When local standard time was about to reach
Sunday, March 9, 2025, 2:00:00 am clocks were turned forward 1 hour to
Sunday, March 9, 2025, 3:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Mar 9, 2025 than the day before. There was more light in the evening and less light in the morning.

Also called Spring Forward, Summer Time, and Daylight Savings Time.

More info:
Canada Starts Daylight Saving 2025

Nov 2

Back 1 hour

Nov 2, 2025 - Daylight Saving Time Ended

When local daylight time was about to reach
Sunday, November 2, 2025, 2:00:00 am clocks were turned backward 1 hour to
Sunday, November 2, 2025, 1:00:00 am local standard time instead.

Sunrise and sunset were about 1 hour earlier on Nov 2, 2025 than the day before. There was more light in the morning and less light in the evening.

Also called Fall Back and Winter Time.

More info:
Canada Ends Daylight Saving 2025
DST 2025: Your Guide to the Clock Change

Other years: 2022 | 2023 | 2024 | 2025 | 2026 | 2027 | 2028

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST Start (Clock Forward)DST End (Clock Backward)
2024Sunday, March 10, 2:00 amSunday, November 3, 2:00 am
2025Sunday, March 9, 2:00 amSunday, November 2, 2:00 am
2026Sunday, March 8, 2:00 amSunday, November 1, 2:00 am
2027Sunday, March 14, 2:00 amSunday, November 7, 2:00 am
2028Sunday, March 12, 2:00 amSunday, November 5, 2:00 am
All times are local for Thunder Bay. Current year is highlighted.

Detailed time zone and clock changes in Thunder Bay