Clockjumper

Timezone conversion

MST to Chicago Time — Convert Mountain Standard Time (US) to Chicago

Chicago is currently 1 hour ahead of MST. This offset stays the same all year — neither zone shifts for daylight saving in a way that changes it.

Chicago is currently 1 hour ahead of MST.

MST • MDT (UTC-6)
8:32 AM
Thursday, Sep 10
Chicago • CDT (UTC-5)
9:32 AM
Thursday, Sep 10

Abbreviation disambiguation

MST is Mountain Standard Time (UTC−7). Most of the US Mountain zone switches to MDT (UTC−6) in summer, but Arizona (except the Navajo Nation) stays on MST year-round.

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Full MST to Chicago conversion table

MSTChicago
12:00 AM1:00 AM
1:00 AM2:00 AM
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AM
5:00 AM6:00 AM
6:00 AM7:00 AM
7:00 AM8:00 AM
8:00 AM9:00 AM
9:00 AM10:00 AM
10:00 AM11:00 AM
11:00 AM12:00 PM
12:00 PM1:00 PM
1:00 PM2:00 PM
2:00 PM3:00 PM
3:00 PM4:00 PM
4:00 PM5:00 PM
5:00 PM6:00 PM
6:00 PM7:00 PM
7:00 PM8:00 PM
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PM
11:00 PM12:00 AM(next day)

Daylight saving and how the gap changes

The MST → Chicago offset stays constant across the year — neither zone shifts for daylight saving in a way that changes this gap.

Frequently asked questions

Is Chicago ahead of or behind MST right now?
Chicago is currently 1 hour ahead of MST.
What is the current MST to Chicago time difference?
Right now the gap is 1 hour — Chicago is 1 hour ahead of MST.
Does the MST → Chicago offset change during the year?
No. Neither Mountain Standard Time (US) nor Chicago shifts for daylight saving in a way that changes this offset — the gap is the same all year.
Does MST observe daylight saving time?
MST is itself the standard-time form. Mountain Standard Time (US) is in force at UTC-7 through the winter months; outside that window the same zone is on MDT (UTC-6).
Does Chicago observe daylight saving time?
Yes — Chicago observes DST, so its UTC offset shifts by 1 hour between winter and summer.
What time is 3 AM MST in Chicago?
3:00 AM MST is 4:00 AM Chicago.
What time is 8 AM MST in Chicago?
8:00 AM MST is 9:00 AM Chicago.
What time is 9 AM MST in Chicago?
9:00 AM MST is 10:00 AM Chicago.
What time is 10 AM MST in Chicago?
10:00 AM MST is 11:00 AM Chicago.
What time is 11 AM MST in Chicago?
11:00 AM MST is 12:00 PM Chicago.
What time is 12 PM (noon) MST in Chicago?
12:00 PM MST is 1:00 PM Chicago.
What time is 2 PM MST in Chicago?
2:00 PM MST is 3:00 PM Chicago.
What time is 3 PM MST in Chicago?
3:00 PM MST is 4:00 PM Chicago.
What time is 4 PM MST in Chicago?
4:00 PM MST is 5:00 PM Chicago.
What time is 5 PM MST in Chicago?
5:00 PM MST is 6:00 PM Chicago.
What time is 9 PM MST in Chicago?
9:00 PM MST is 10:00 PM Chicago.
What time is 10 PM MST in Chicago?
10:00 PM MST is 11:00 PM Chicago.
When is the best time to schedule a call between MST and Chicago?
The working-hours overlap (09:00–17:00 in both zones) runs roughly 9:00 AM – 4:00 PM MST (≈ 7 hours). The midpoint of that window — 12:30 PM MST, 1:30 PM Chicago — is the safest single slot to propose for a live call.
What time zone does MST refer to?
MST refers to Mountain Standard Time (US) (IANA: America/Denver).
What time zone does Chicago refer to?
Chicago uses the America/Chicago time zone.
Is MST on this page the same as other zones that share the letters "MST"?
MST is Mountain Standard Time (UTC−7). Most of the US Mountain zone switches to MDT (UTC−6) in summer, but Arizona (except the Navajo Nation) stays on MST year-round.

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