Offset
The time difference between Mountain Time and East Africa Time is 9 hours.
Mountain Time (MDT) is behind East Africa Time (EAT).
MDT: UTC-6
EAT: UTC+3
Mountain Time is currently observing daylight saving time; East Africa Time is not.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Mountain Time and East Africa Time don't overlap on the same weekday. East Africa Time is 9 hours ahead of Mountain Time.
With some flexibility, there’s a workable window outside standard hours:
- 7 AM–11 AM in Mountain Time (4 PM–8 PM in East Africa Time) — suggest 9:00 AM Mountain Time (6:00 PM East Africa Time).
This means an early start or late finish for one side, but it’s a reasonable slot for a one-off meeting.
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
Kenya
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Madaraka DayMon, Jun 1
- Mazingira DaySat, Oct 10
- Mashujaa DayTue, Oct 20
- Jamhuri DaySat, Dec 12
- Christmas DayFri, Dec 25
- Boxing DaySat, Dec 26
About these zones
Mountain Time is also known as MST, or MDT. To call United States, dial +1.
East Africa Time is also known as EAT. To call Kenya, dial +254.
East Africa Time is approximately 8,850 miles northeast of Mountain Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| MST | EAT | Day |
|---|---|---|
| 12:00 am | 9:00 am | Same day |
| 1:00 am | 10:00 am | Same day |
| 2:00 am | 11:00 am | Same day |
| 3:00 am | 12:00 pm | Same day |
| 4:00 am | 1:00 pm | Same day |
| 5:00 am | 2:00 pm | Same day |
| 6:00 am | 3:00 pm | Same day |
| 7:00 am | 4:00 pm | Same day |
| 8:00 am | 5:00 pm | Same day |
| 9:00 am | 6:00 pm | Same day |
| 10:00 am | 7:00 pm | Same day |
| 11:00 am | 8:00 pm | Same day |
| 12:00 pm | 9:00 pm | Same day |
| 1:00 pm | 10:00 pm | Same day |
| 2:00 pm | 11:00 pm | Same day |
| 3:00 pm | 12:00 am | +1 day |
| 4:00 pm | 1:00 am | +1 day |
| 5:00 pm | 2:00 am | +1 day |
| 6:00 pm | 3:00 am | +1 day |
| 7:00 pm | 4:00 am | +1 day |
| 8:00 pm | 5:00 am | +1 day |
| 9:00 pm | 6:00 am | +1 day |
| 10:00 pm | 7:00 am | +1 day |
| 11:00 pm | 8:00 am | +1 day |
Daylight saving time
Mountain Time observes daylight saving time; East Africa Time does not. The offset between the two zones changes when Mountain Time transitions: on Sunday, November 1, 2026, clocks fall back from MDT to MST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:34 AM
- Sunset
- 8:25 PM
- Day length
- 14h 51m
- Sunrise
- 6:31 AM
- Sunset
- 6:34 PM
- Day length
- 12h 3m
Cities in these zones
Cities in Mountain Time
Cities in East Africa 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 East Africa Time
- NBO
- WIL
- KIS
Related conversions
Common conversions
- What is 9:00 am MST in EAT?
- 9:00 am MST is 6:00 pm EAT.
- What is 12:00 pm MST in EAT?
- 12:00 pm MST is 9:00 pm EAT.
- What is 12:30 pm MST in EAT?
- 12:30 pm MST is 9:30 pm EAT.
- What is 2:00 pm MST in EAT?
- 2:00 pm MST is 11:00 pm EAT.
- What is 5:00 pm MST in EAT?
- 5:00 pm MST is 2:00 am EAT, the next day.
- What is 11:30 pm MST in EAT?
- 11:30 pm MST is 8:30 am EAT, the next day.