The short answer

12pm in Cuba Standard Time is 10am in Mountain Time.

Cuba Standard Time is 2 hours ahead of Mountain Time. Both sides are inside the standard 9-to-5 working day, so this is a sociable time for a call in both places.

Cuba Standard Time
12pm
Mountain Time
10am
Right now
7:29amCDT · UTC-04:00 · Mon, Jun 22
5:29amMDT · UTC-06:00 · Mon, Jun 22
Read across to convert
Cuba Standard Time
CDT · UTC-04:00
7:29am ☀
Mountain Time
MDT · UTC-06:00
5:29am ☾
Pinned12pmCuba Standard Time=10amMountain Time
12amMon
10pmSun ·−1d
1am
11pmSun ·−1d
2am
12amMon
3am
1am
4am
2am
5am
3am
6am
4am
NOW
7am
5am
8am
6am
9am
WORK
7am
10am
WORK
8am
11am
WORK
9am
WORK
PINNED
12pm
WORK
10am
WORK
1pm
WORK
11am
WORK
2pm
WORK
12pm
WORK
3pm
WORK
1pm
WORK
4pm
WORK
2pm
WORK
5pm
3pm
WORK
6pm
4pm
WORK
7pm
5pm
8pm
6pm
9pm
7pm
10pm
8pm
11pm
9pm
daylightnightworking hoursoverlap
Best time to meet
Best for a call
Cuba Standard Time
11am–5pm
=
Mountain Time
9am–3pm
Popular conversions

Quick reference.

9amCuba Standard Time=7amMountain Time
12pmCuba Standard Time=10amMountain Time
3pmCuba Standard Time=1pmMountain Time
5pmCuba Standard Time=3pmMountain Time
9pmCuba Standard Time=7pmMountain Time
In context

What each side covers.

Cuba Standard Time
CDT · UTC-04:00
7:29am
Cities on this clock
Mountain Time
MDT · UTC-06:00
5:29am
Cities on this clock

Frequently asked

Quick answers about converting between Cuba Standard Time and Mountain Time. Can't find what you need? Email [email protected].

What is the time difference between Cuba Standard Time and Mountain Time?
Cuba Standard Time is 2 hours 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 12pm in Cuba Standard Time, what time is it in Mountain Time?
12pm in Cuba Standard Time is 10am in Mountain Time. Both sides are inside the standard 9-to-5 working day, so this is a sociable time for a call in both places. Use the hour-by-hour table above to read any other time across.
What's the best time for a call between Cuba Standard Time and Mountain Time?
11am–5pm in Cuba Standard Time lines up with 9am–3pm 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.