Time in Thunder Bay and Calgary
The time difference between Thunder Bay and Calgary is 1 hour. Calgary is 1 hour behind Thunder Bay.
This means 9am in Thunder Bay is 8am in Calgary and 5pm in Thunder Bay is 4pm in Calgary.
Thunder Bay
- The current local time in Thunder Bay is 3:09 am (November 10, 2026)
- Thunder Bay is in the Eastern Standard Time Zone
- The time zone offset for Thunder Bay, Canada, is UTC-05:00
Calgary
- The current local time in Calgary is 2:09 am (November 10, 2026)
- Calgary is in the Central Standard Time Zone
- The time zone offset for Calgary, Canada, is UTC-06:00
How to convert Thunder Bay time to Calgary time?
Subtract 1 hour from Thunder Bay time to get Calgary time.
Time in Thunder Bay
00:00
Time in Calgary
00:00
Use the slider above to convert Thunder Bay time to Calgary time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Thunder Bay | Calgary |
|---|---|
| 12am | 11pm |
| 1am | 12am |
| 2am | 1am |
| 3am | 2am |
| 4am | 3am |
| 5am | 4am |
| 6am | 5am |
| 7am | 6am |
| 8am | 7am |
| 9am | 8am |
| 10am | 9am |
| 11am | 10am |
| 12pm | 11am |
| 1pm | 12pm |
| 2pm | 1pm |
| 3pm | 2pm |
| 4pm | 3pm |
| 5pm | 4pm |
| 6pm | 5pm |
| 7pm | 6pm |
| 8pm | 7pm |
| 9pm | 8pm |
| 10pm | 9pm |
| 11pm | 10pm |