What is the time difference between Toronto and Denver?

Denver is 2 hours behind Toronto. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Denver from Toronto?

Between 11:00–18:00 in Toronto, which is 09:00–16:00 in Denver. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Toronto observe daylight saving time?

Yes. Toronto runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

Does Denver observe daylight saving time?

Yes. Denver runs on UTC-7 in winter and UTC-6 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in Toronto, what time is it in Denver?

It is 10:00 in Denver, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Toronto and Denver use?

Toronto uses America/Toronto, currently UTC-4 (EDT), and Denver uses America/Denver, currently UTC-6 (MDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Toronto time to Denver time

Denver is 2 hours behind Toronto right now, so midday in Toronto lands in the morning in Denver.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Toronto, across for Denver.

Toronto	Denver
00:00	22:00previous day
01:00	23:00previous 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

Daylight saving time

Toronto and Denver both observe daylight saving. Where their change dates differ, so does the gap between them for the weeks in between.

Toronto

Observes daylight saving time

Standard: UTC-5
Daylight: UTC-4
Next change: 2026-11-01 −60m

Denver

Observes daylight saving time

Standard: UTC-7
Daylight: UTC-6
Next change: 2026-11-01 −60m

When you can actually talk

The window is 7 hours wide — 11:00–18:00 in Toronto, 09:00–16:00 in Denver.

Toronto 11:00–18:00Denver 09:00–16:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Toronto	Denver
IANA zone	America/Toronto	America/Denver
Abbreviation	EDT	MDT
Standard offset	UTC-5	UTC-7
Daylight offset	UTC-4	UTC-6
Clock changes this year	2	2
Country	Canada	United States

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Toronto and Denver?: Denver is 2 hours behind Toronto. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Denver from Toronto?: Between 11:00–18:00 in Toronto, which is 09:00–16:00 in Denver. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Toronto observe daylight saving time?: Yes. Toronto runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
Does Denver observe daylight saving time?: Yes. Denver runs on UTC-7 in winter and UTC-6 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
If it is midday in Toronto, what time is it in Denver?: It is 10:00 in Denver, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Toronto and Denver use?: Toronto uses America/Toronto, currently UTC-4 (EDT), and Denver uses America/Denver, currently UTC-6 (MDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.