CET to MST Time Converter
MST is 8 hours behind CET. Continental western Europe is currently on CEST (UTC+2:00), and The US Mountain states are currently on MDT (UTC-6:00).
Best Time to Call Between CET and MST
Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 3:00 PM to 10:00 PM CET, which is 7:00 AM to 2:00 PM MST.
both at work CET only MST only neither — hours along the strip are CET.
Common Times Converted
CET on the left, MST on the right.
CET to MST: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| CET | MST | Working hours |
|---|---|---|
| 12:00 AM | 4:00 PM prev day | MST only |
| 1:00 AM | 5:00 PM prev day | — |
| 2:00 AM | 6:00 PM prev day | — |
| 3:00 AM | 7:00 PM prev day | — |
| 4:00 AM | 8:00 PM prev day | — |
| 5:00 AM | 9:00 PM prev day | — |
| 6:00 AM | 10:00 PM prev day | — |
| 7:00 AM | 11:00 PM prev day | — |
| 8:00 AM | 12:00 AM | — |
| 9:00 AM | 1:00 AM | CET only |
| 10:00 AM | 2:00 AM | CET only |
| 11:00 AM | 3:00 AM | CET only |
| 12:00 PM | 4:00 AM | CET only |
| 1:00 PM | 5:00 AM | CET only |
| 2:00 PM | 6:00 AM | CET only |
| 3:00 PM | 7:00 AM | CET only |
| 4:00 PM | 8:00 AM | CET only |
| 5:00 PM | 9:00 AM | MST only |
| 6:00 PM | 10:00 AM | MST only |
| 7:00 PM | 11:00 AM | MST only |
| 8:00 PM | 12:00 PM | MST only |
| 9:00 PM | 1:00 PM | MST only |
| 10:00 PM | 2:00 PM | MST only |
| 11:00 PM | 3:00 PM | MST only |
What CET and MST Actually Are
CET — Central European Time
Paris, Berlin, Madrid, Rome, Amsterdam, Vienna, Warsaw, Stockholm. Standing at UTC+1:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, October 25, 2026, to CET. Most of continental Europe moves to CEST (UTC+2) for the summer.
Central European Time spans a remarkable stretch of longitude — from Spain's Atlantic coast to Poland's eastern border — so solar noon in Madrid arrives nearly two hours later than in Warsaw.
MST — Mountain Standard Time
Denver, Salt Lake City, Calgary — and Phoenix year-round. Standing at UTC-7:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, November 1, 2026, to MST. Arizona stays on MST all year, so Phoenix and Denver are an hour apart for eight months and identical for four.
Arizona has stayed on MST year-round since 1968 — the Navajo Nation within it does observe daylight saving, making the state a patchwork.
What This Means in Practice
Both sides change clocks, on different dates
Both regions observe daylight saving but do not switch on the same day, so for a week or two each spring and fall the gap between them is an hour different from the rest of the year. Those short windows are where recurring invitations quietly break.
Major Cities in Each Zone
Cities on CET
Cities on MST
Frequently Asked Questions
What is the time difference between CET and MST?
MST is 8 hours behind CET.
What is 9:00 AM CET in MST?
9:00 AM CET is 1:00 AM MST.
What are the best hours to schedule a call between CET and MST?
Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 3:00 PM to 10:00 PM CET, which is 7:00 AM to 2:00 PM MST.
Does the difference between CET and MST change during the year?
Yes. Both regions observe daylight saving, and they do not switch on the same dates, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, October 25, 2026.
Does CET always mean Central European Time?
Most of continental Europe moves to CEST (UTC+2) for the summer.
Does MST always mean Mountain Standard Time?
Arizona stays on MST all year, so Phoenix and Denver are an hour apart for eight months and identical for four.