World Timezones

MST to CST-CUBA Converter

Compare CST-CUBA to MST instead
Mountain Time10:35 pmThu, Jun 4
Mountain TimeMDT
North America · UTC-6
10:35 pmThu, Jun 4
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Cuba Standard TimeCDT
North America · UTC-4
12:35 amFri, Jun 5
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a

Offset

The time difference between Mountain Time and Cuba Standard Time is 2 hours.

2 hours

Mountain Time (MDT) is behind Cuba Standard Time (CDT).

MDT: UTC-6

CDT: UTC-4

Both zones are currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–3 PM in Mountain Time (11 AM–5 PM in Cuba Standard Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM Mountain Time (2:00 PM Cuba Standard Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

United States

  • New Year's DayThu, Jan 1
  • Martin Luther King, Jr. DayMon, Jan 19
  • Presidents DayMon, Feb 16
  • Memorial DayMon, May 25
  • Juneteenth National Independence DayFri, Jun 19
  • Independence DayFri, Jul 3
  • Labour DayMon, Sep 7
  • Columbus DayMon, Oct 12
  • Veterans DayWed, Nov 11
  • Thanksgiving DayThu, Nov 26
  • Christmas DayFri, Dec 25

Cuba

  • Triumph of the RevolutionThu, Jan 1
  • Victory of Fidel CastroFri, Jan 2
  • Good FridayFri, Apr 3
  • Labour DayFri, May 1
  • Day before the Commemoration of the Assault of the Moncada garrisonSat, Jul 25
  • Commemoration of the Assault of the Moncada garrisonSun, Jul 26
  • Day after the Commemoration of the Assault of the Moncada garrisonMon, Jul 27
  • Independence DaySat, Oct 10
  • Christmas DayFri, Dec 25

About these zones

Mountain Time is also known as MST, or MDT. To call United States, dial +1.

Cuba Standard Time is also known as CST, or CDT. To call Cuba, dial +53.

Cuba Standard Time is approximately 1,750 miles southeast of Mountain Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

MSTCST-CUBADay
12:00 am2:00 amSame day
1:00 am3:00 amSame day
2:00 am4:00 amSame day
3:00 am5:00 amSame day
4:00 am6:00 amSame day
5:00 am7:00 amSame day
6:00 am8:00 amSame day
7:00 am9:00 amSame day
8:00 am10:00 amSame day
9:00 am11:00 amSame day
10:00 am12:00 pmSame day
11:00 am1:00 pmSame day
12:00 pm2:00 pmSame day
1:00 pm3:00 pmSame day
2:00 pm4:00 pmSame day
3:00 pm5:00 pmSame day
4:00 pm6:00 pmSame day
5:00 pm7:00 pmSame day
6:00 pm8:00 pmSame day
7:00 pm9:00 pmSame day
8:00 pm10:00 pmSame day
9:00 pm11:00 pmSame day
10:00 pm12:00 am+1 day
11:00 pm1:00 am+1 day

Daylight saving time

Both Mountain Time and Cuba Standard Time observe daylight saving time and transition on the same date.

Next transition: Sunday, November 1, 2026 (fall back).

Because they transition simultaneously, the offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Mountain Time
Sunrise
5:34 AM
Sunset
8:25 PM
Day length
14h 51m
Cuba Standard Time
Sunrise
6:44 AM
Sunset
8:14 PM
Day length
13h 30m

Cities in these zones

Cities in Mountain Time

Cities in Cuba Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Mountain Time

  • BJC
  • DEN
  • OGD
  • SLC

Airports in Cuba Standard Time

  • HAV

Related conversions

Common conversions

What is 9:00 am MST in CST-CUBA?
9:00 am MST is 11:00 am CST-CUBA.
What is 12:00 pm MST in CST-CUBA?
12:00 pm MST is 2:00 pm CST-CUBA.
What is 12:30 pm MST in CST-CUBA?
12:30 pm MST is 2:30 pm CST-CUBA.
What is 2:00 pm MST in CST-CUBA?
2:00 pm MST is 4:00 pm CST-CUBA.
What is 5:00 pm MST in CST-CUBA?
5:00 pm MST is 7:00 pm CST-CUBA.
What is 11:30 pm MST in CST-CUBA?
11:30 pm MST is 1:30 am CST-CUBA, the next day.