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Tucson is -3h behind Montreal
Quick converter
FROM
Montreal
Canada
UTC-04:00
TO
Tucson
United States
UTC-07:00
Date-aware conversion
Result
Sun, Jun 21, 2026 00:06
Montreal: Sunday, June 21, 2026 3:06 AM EDT to Tucson: Sunday, June 21, 2026 12:06 AM MST.
Tucson is 3h behind Montreal on this date
Every hour in Montreal and the corresponding time in Tucson. Green rows indicate business hours in Tucson.
Time zones
Montreal uses America/Toronto (EDT) and Tucson uses America/Phoenix (MST). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Tucson. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
The easiest overlap starts around 12:00 PM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
Montreal is located in Canada (North America). It uses the America/Toronto timezone with a standard offset of UTC-04:00. It observes DST, switching between EST and EDT. See the full Montreal time page for live clock and planning details.
Tucson is located in United States (North America). It uses the America/Phoenix timezone with a standard offset of UTC-07:00. It does not observe Daylight Saving Time. See the full Tucson time page for live clock and planning details.
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Current city times