Time difference between Thunder Bay and Denver
Denver is 2 hours behind Thunder Bay.
Local time in both cities
Thunder Bay · Canada
15:18
CanadaDenver · United States
13:18
United StatesDenver is 2 hours behind Thunder Bay.
same day
Time zones
| Thunder Bay | America/Toronto · UTC-04:00 |
|---|---|
| Denver | America/Denver · UTC-06:00 |
Thunder Bay is currently on daylight saving time (UTC-04:00). Next change: 2026-11-01 01:00.
Denver is currently on daylight saving time (UTC-06:00). Next change: 2026-11-01 01:00.
Hour-by-hour conversion
Calculated for 2026-09-21 local time in Thunder Bay. The two places start and end daylight saving on different dates, so another day can give a different result.
| Thunder Bay (source) | Denver (target) |
|---|---|
| 00:00 | 22:00 prev day |
| 01:00 | 23:00 prev day |
| 02:00 | 00:00 |
| 03:00 | 01:00 |
| 04:00 | 02:00 |
| 05:00 | 03:00 |
| 06:00 | 04:00 |
| 07:00 | 05:00 |
| 08:00 | 06:00 |
| 09:00 | 07:00 |
| 10:00 | 08:00 |
| 11:00 | 09:00 |
| 12:00 | 10:00 |
| 13:00 | 11:00 |
| 14:00 | 12:00 |
| 15:00 | 13:00 |
| 16:00 | 14:00 |
| 17:00 | 15:00 |
| 18:00 | 16:00 |
| 19:00 | 17:00 |
| 20:00 | 18:00 |
| 21:00 | 19:00 |
| 22:00 | 20:00 |
| 23:00 | 21:00 |
Other common differences from Thunder Bay
FAQ
- How many hours apart are Thunder Bay and Denver right now?
- The answer at the top of the page is calculated for the current moment and states which side is ahead. The gap changes during the year, because the two places usually start and end daylight saving on different dates.
- Is this difference the same all year?
- Not necessarily. Thunder Bay uses America/Toronto and Denver uses America/Denver; if either observes daylight saving, the gap shifts during the year. Use “Convert a specific date and time” below to calculate it for a given day.
- How do I read the conversion table?
- The left column lists each whole hour in Thunder Bay; the right column is the local time in Denver at that same instant, with date rollovers marked. On the day clocks jump forward, some hours do not exist locally — the table says so instead of showing a plausible but wrong value.