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DateAlmanac

What is WIB in MST?

Mountain Time is 14 hours behind

Western Indonesian Time is on UTC+7:00 and Mountain Time is on UTC−7:00 right now. The gap changes during the year — see below.

Convert a time

MST — Mountain Time

1:00 am

MST, Sat

Time in Jakarta
3:29:37 PM
Time in Denver
1:29:37 AM
Difference
−14 h
Next clock change
March 14, 2027

When the difference changes

Western Indonesian Time and Mountain Time do not change their clocks on the same dates, so the gap between them is not the same all year. Most converters show only today’s figure. These are the periods ahead:

  1. Now – March 14, 2027Mountain Time is 14 hours behind
  2. March 14, 2027 – November 7, 2027Mountain Time is 13 hours behind
  3. November 7, 2027 – onwardsMountain Time is 14 hours behind

Periods shorter than a day are not listed. Each zone changes at its own local time, so on a date when both move there are a few hours when the gap is briefly something else.

Daylight saving

Western Indonesian Time

No clock changes

Western Indonesian Time stays on WIB all year, so its offset from UTC never moves.

Mountain Time

Sunday, March 14, 2027

Clocks go forward one hour — 2:00 am becomes 3:00 am local time, and the zone is on MDT after that.

WIB to MST conversion table

Every hour of Saturday, November 7, 2026, converted from Western Indonesian Time to Mountain Time. 14 of the 24 hours fall on a different calendar day in Denver, which is marked.

12:00 am WIB
10:00 am MST−1 day
1:00 am WIB
11:00 am MST−1 day
2:00 am WIB
12:00 pm MST−1 day
3:00 am WIB
1:00 pm MST−1 day
4:00 am WIB
2:00 pm MST−1 day
5:00 am WIB
3:00 pm MST−1 day
6:00 am WIB
4:00 pm MST−1 day
7:00 am WIB
5:00 pm MST−1 day
8:00 am WIB
6:00 pm MST−1 day
9:00 am WIB
7:00 pm MST−1 day
10:00 am WIB
8:00 pm MST−1 day
11:00 am WIB
9:00 pm MST−1 day
12:00 pm WIB
10:00 pm MST−1 day
1:00 pm WIB
11:00 pm MST−1 day
2:00 pm WIB
12:00 am MST
3:00 pm WIB
1:00 am MST
4:00 pm WIB
2:00 am MST
5:00 pm WIB
3:00 am MST
6:00 pm WIB
4:00 am MST
7:00 pm WIB
5:00 am MST
8:00 pm WIB
6:00 am MST
9:00 pm WIB
7:00 am MST
10:00 pm WIB
8:00 am MST
11:00 pm WIB
9:00 am MST

Scheduling between the two

There is no overlap between a nine-to-six working day in Jakarta and one in Denver — the gap is too wide. A call has to sit early or late for one side. Early morning in Jakarta is the usual compromise, since that is late afternoon or evening in Denver.

Mountain Time (MST) is used in Salt Lake City, Albuquerque and Calgary. Arizona keeps MST all year and does not follow MDT.

Other conversions