What is WIB in AKST?
Alaska Time is 15 hours behind
Western Indonesian Time is on UTC+7:00 and Alaska Time is on UTC−8:00 right now. Alaska Time is on daylight saving, so its clocks read AKDT. The gap changes during the year — see below.
- Time in Jakarta
- 9:15 am
- Time in Anchorage
- 6:15 pm
- Difference
- −15 h
- Next clock change
- November 1, 2026
Convert a time
AKDT — Alaska Time
6:00 pm
Tue, the previous day
When the difference changes
Western Indonesian Time and Alaska 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:
- Now – November 1, 2026Alaska Time is 15 hours behind
- November 1, 2026 – March 14, 2027Alaska Time is 16 hours behind
- March 14, 2027 – onwardsAlaska Time is 15 hours behind
Periods shorter than a day are not listed: both zones change at 2am in their own local time, so there are a few hours on each transition date when the gap is briefly something else.
Daylight saving
Western Indonesian Time
Western Indonesian Time stays on WIB all year, so its offset from UTC never moves.
Alaska Time
Clocks go back one hour at 2am local time, becoming AKST.
WIB to AKST conversion table
Every hour of Wednesday, September 23, 2026, converted from Western Indonesian Time to Alaska Time. 15 of the 24 hours fall on a different calendar day in Anchorage, which is marked.
- 12:00 am WIB
- 9:00 am AKDT−1 day
- 1:00 am WIB
- 10:00 am AKDT−1 day
- 2:00 am WIB
- 11:00 am AKDT−1 day
- 3:00 am WIB
- 12:00 pm AKDT−1 day
- 4:00 am WIB
- 1:00 pm AKDT−1 day
- 5:00 am WIB
- 2:00 pm AKDT−1 day
- 6:00 am WIB
- 3:00 pm AKDT−1 day
- 7:00 am WIB
- 4:00 pm AKDT−1 day
- 8:00 am WIB
- 5:00 pm AKDT−1 day
- 9:00 am WIB
- 6:00 pm AKDT−1 day
- 10:00 am WIB
- 7:00 pm AKDT−1 day
- 11:00 am WIB
- 8:00 pm AKDT−1 day
- 12:00 pm WIB
- 9:00 pm AKDT−1 day
- 1:00 pm WIB
- 10:00 pm AKDT−1 day
- 2:00 pm WIB
- 11:00 pm AKDT−1 day
- 3:00 pm WIB
- 12:00 am AKDT
- 4:00 pm WIB
- 1:00 am AKDT
- 5:00 pm WIB
- 2:00 am AKDT
- 6:00 pm WIB
- 3:00 am AKDT
- 7:00 pm WIB
- 4:00 am AKDT
- 8:00 pm WIB
- 5:00 am AKDT
- 9:00 pm WIB
- 6:00 am AKDT
- 10:00 pm WIB
- 7:00 am AKDT
- 11:00 pm WIB
- 8:00 am AKDT
Scheduling between the two
There is no overlap between a nine-to-six working day in Jakarta and one in Anchorage — 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 Anchorage.