World Timezones

CST-CUBA to MST Converter

Compare MST to CST-CUBA instead
Cuba Standard Time12:35 amFri, Jun 5
Cuba Standard TimeCDT
North America · UTC-4
12:35 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Mountain TimeMDT
North America · UTC-6
10:35 pmThu, Jun 4
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p

Offset

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

2 hours

Cuba Standard Time (CDT) is ahead of Mountain Time (MDT).

CDT: UTC-4

MDT: UTC-6

Both zones are currently observing daylight saving time.

When to schedule

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

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

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

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

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

About these zones

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

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

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

Quick reference

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

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

Daylight saving time

Both Cuba Standard Time and Mountain 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

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

Cities in these zones

Cities in Cuba Standard Time

Cities in Mountain Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Cuba Standard Time

  • HAV

Airports in Mountain Time

  • BJC
  • DEN
  • OGD
  • SLC

Related conversions

Common conversions

What is 9:00 am CST-CUBA in MST?
9:00 am CST-CUBA is 7:00 am MST.
What is 12:00 pm CST-CUBA in MST?
12:00 pm CST-CUBA is 10:00 am MST.
What is 12:30 pm CST-CUBA in MST?
12:30 pm CST-CUBA is 10:30 am MST.
What is 2:00 pm CST-CUBA in MST?
2:00 pm CST-CUBA is 12:00 pm MST.
What is 5:00 pm CST-CUBA in MST?
5:00 pm CST-CUBA is 3:00 pm MST.
What is 11:30 pm CST-CUBA in MST?
11:30 pm CST-CUBA is 9:30 pm MST.