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Tucson is -2h behind Chicago
Quick converter
FROM
Chicago
United States
UTC-05:00
TO
Tucson
United States
UTC-07:00
Date-aware conversion
Result
Sun, Jun 21, 2026 01:33
Chicago: Sunday, June 21, 2026 3:33 AM CDT to Tucson: Sunday, June 21, 2026 1:33 AM MST.
Tucson is 2h behind Chicago on this date
Every hour in Chicago and the corresponding time in Tucson. Green rows indicate business hours in Tucson.
Time zones
Chicago uses America/Chicago (CDT) 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 11:00 AM 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
Chicago is located in United States (North America). It uses the America/Chicago timezone with a standard offset of UTC-05:00. It observes DST, switching between CST and CDT. See the full Chicago 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