Timezone conversion
Chicago to MST Time — Convert Chicago to Mountain Standard Time (US)
MST is currently 1 hour behind Chicago. This offset stays the same all year — neither zone shifts for daylight saving in a way that changes it.
MST is currently 1 hour behind Chicago.
Chicago • CDT (UTC-5)
9:32 AM
Thursday, Sep 10
MST • MDT (UTC-6)
8:32 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.
Interactive converter
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Full Chicago to MST conversion table
| Chicago | MST |
|---|---|
| 12:00 AM | 11:00 PM(previous day) |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Daylight saving and how the gap changes
The Chicago → MST offset stays constant across the year — neither zone shifts for daylight saving in a way that changes this gap.
Frequently asked questions
- Is MST ahead of or behind Chicago right now?
- MST is currently 1 hour behind Chicago.
- What is the current Chicago to MST time difference?
- Right now the gap is 1 hour — MST is 1 hour behind Chicago.
- Does the Chicago → MST offset change during the year?
- No. Neither Chicago nor Mountain Standard Time (US) shifts for daylight saving in a way that changes this offset — the gap is the same all year.
- Does Chicago observe daylight saving time?
- Yes — Chicago observes DST, so its UTC offset shifts by 1 hour between winter and summer.
- 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).
- What time is 3 AM Chicago in MST?
- 3:00 AM Chicago is 2:00 AM MST.
- What time is 8 AM Chicago in MST?
- 8:00 AM Chicago is 7:00 AM MST.
- What time is 9 AM Chicago in MST?
- 9:00 AM Chicago is 8:00 AM MST.
- What time is 10 AM Chicago in MST?
- 10:00 AM Chicago is 9:00 AM MST.
- What time is 11 AM Chicago in MST?
- 11:00 AM Chicago is 10:00 AM MST.
- What time is 12 PM (noon) Chicago in MST?
- 12:00 PM Chicago is 11:00 AM MST.
- What time is 2 PM Chicago in MST?
- 2:00 PM Chicago is 1:00 PM MST.
- What time is 3 PM Chicago in MST?
- 3:00 PM Chicago is 2:00 PM MST.
- What time is 4 PM Chicago in MST?
- 4:00 PM Chicago is 3:00 PM MST.
- What time is 5 PM Chicago in MST?
- 5:00 PM Chicago is 4:00 PM MST.
- What time is 9 PM Chicago in MST?
- 9:00 PM Chicago is 8:00 PM MST.
- What time is 10 PM Chicago in MST?
- 10:00 PM Chicago is 9:00 PM MST.
- When is the best time to schedule a call between Chicago and MST?
- The working-hours overlap (09:00–17:00 in both zones) runs roughly 10:00 AM – 5:00 PM Chicago (≈ 7 hours). The midpoint of that window — 1:30 PM Chicago, 12:30 PM MST — is the safest single slot to propose for a live call.
- What time zone does Chicago refer to?
- Chicago uses the America/Chicago time zone.
- What time zone does MST refer to?
- MST refers to Mountain Standard Time (US) (IANA: America/Denver).
- 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.