Timezones.in — Stay In Sync

Convert Hawaii-Aleutian Time to Western Indonesia Time

HAST · UTC−9 → WIB · UTC+7

HAST is 16 hours behind WIB

Adak · HADT

Monday, 7 September 2026

Jakarta · UTC+7

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
AdakHADT · -09:00
0003060912151821
JakartaUTC+7 · +07:00
1619220104071013

Shared working hours: 17:00–18:00 in Adak is 09:00–10:00 in Jakarta.

Working (09–18) Awake, off the clock Asleep (23–07)

Pick a time and share it

22:06 Mon 7 Sep Adak = 14:06 Tue 8 Sep Jakarta

Open in planner

Post this

XLinkedInWhatsAppFacebookTelegramEmail

Hour-by-hour conversion

Adak (HAST)Jakarta (WIB)
00:0016:00
01:0017:00
02:0018:00
03:0019:00
04:0020:00
05:0021:00
06:0022:00
07:0023:00
08:0000:00next day
09:0001:00next day
10:0002:00next day
11:0003:00next day
12:0004:00next day
13:0005:00next day
14:0006:00next day
15:0007:00next day
16:0008:00next day
17:0009:00next dayBoth at work
18:0010:00next day
19:0011:00next day
20:0012:00next day
21:0013:00next day
22:0014:00next dayNow
23:0015:00next day

About this conversion

HAST here means Hawaii-Aleutian Time, represented by Adak (America/Adak), currently UTC−9. WIB means Western Indonesia Time, represented by Jakarta (Asia/Jakarta), currently UTC+7.

HAST is used by 2 zones, including United States. If you meant a different one, see every meaning of HAST.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Adak; day boundaries are marked where the date differs.

Quick answers

  • 09:00 HAST is 01:00 WIB
  • 12:00 HAST is 04:00 WIB
  • 15:00 HAST is 07:00 WIB
  • 18:00 HAST is 10:00 WIB

Related conversions