The short answer
12am in Central Standard Time is 11pm in Mountain Time on the previous day.
Central Standard Time is 1 hour ahead of Mountain Time. It lands deep outside working hours in Mountain Time — see the best time to meet below for a friendlier slot.
Central Standard Time☾
12am
Mountain Time☾
11pm
previous day
Right now
3:54amCDT · UTC-05:00 · Mon, Jun 22
2:54amMDT · UTC-06:00 · Mon, Jun 22
Read across to convert
Central Standard Time
CDT · UTC-05:00
Mountain Time
MDT · UTC-06:00
Pinned12amCentral Standard Time=11pmMountain Time · Sun (previous day)
PINNED
12amMon
11pmSun ·−1d
1am
12amMon
2am
1am
NOW
3am
2am
4am
3am
5am
4am
6am
5am
7am
6am
8am
7am
9am
WORK8am
10am
WORK9am
WORK11am
WORK10am
WORK12pm
WORK11am
WORK1pm
WORK12pm
WORK2pm
WORK1pm
WORK3pm
WORK2pm
WORK4pm
WORK3pm
WORK5pm
4pm
WORK6pm
5pm
7pm
6pm
8pm
7pm
9pm
8pm
10pm
9pm
11pm
10pm
daylightnightworking hoursoverlap
Best time to meet=
Best for a call
Central Standard Time
10am–5pm
Mountain Time
9am–4pm
Popular conversions
Quick reference.
9amCentral Standard Time=8amMountain Time
12pmCentral Standard Time=11amMountain Time
3pmCentral Standard Time=2pmMountain Time
5pmCentral Standard Time=4pmMountain Time
9pmCentral Standard Time=8pmMountain Time
In context
What each side covers.
Central Standard Time
3:54amCDT · UTC-05:00
Cities on this clock
Mountain Time
2:54amMDT · UTC-06:00
Cities on this clock
Did you mean…? “CDT” is shared by several places. This page shows Central Standard Time (US & Canada) — or switch to China Standard Time · Cuba Standard Time.
Related converters
Other popular pairs.
Pacific Time
1:54am
India Standard Time
2:24pm
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
4:54am
Central European Time
10:54am
Eastern Time to Central Europe6 hours behind
India Standard Time
2:24pm
Eastern Standard Time
4:54am
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
9:54am
India Standard Time
2:24pm
London to India4 hours 30 minutes behind
Pacific Standard Time
1:54am
Eastern Standard Time
4:54am
Pacific to Eastern Time3 hours behind
Central European Time
10:54am
India Standard Time
2:24pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Central Standard Time and Mountain Time. Can't find what you need? Email [email protected].
- What is the time difference between Central Standard Time and Mountain Time?
- Central Standard Time is 1 hour ahead of Mountain Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 12am in Central Standard Time, what time is it in Mountain Time?
- 12am in Central Standard Time is 11pm in Mountain Time on the previous day. It lands deep outside working hours in Mountain Time — see the best time to meet below for a friendlier slot. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Central Standard Time and Mountain Time?
- 10am–5pm in Central Standard Time lines up with 9am–4pm in Mountain Time — both sides are inside a 9-to-5 working day.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — CDT and MDT — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.