Timezones.in — Stay In Sync

Convert Hawaii-Aleutian Time to India Time

HAST · UTC−9 → IST · UTC+5:30

HAST is 14 hours 30 minutes behind IST

Adak · HADT

Monday, 7 September 2026

Mumbai · IST

Tuesday, 8 September 2026

When are both sides at work?

0003060912151821
AdakHADT · -09:00
0003060912151821
MumbaiIST · +05:30
1417202302050811

No overlap in standard working hours. Closest workable window: 18:30–23:00 in Adak, which is 09:00–13:30 in Mumbai.

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

Pick a time and share it

22:06 Mon 7 Sep Adak = 12:36 Tue 8 Sep Mumbai

Open in planner

Post this

XLinkedInWhatsAppFacebookTelegramEmail

Hour-by-hour conversion

Adak (HAST)Mumbai (IST)
00:0014:30
01:0015:30
02:0016:30
03:0017:30
04:0018:30
05:0019:30
06:0020:30
07:0021:30
08:0022:30
09:0023:30
10:0000:30next day
11:0001:30next day
12:0002:30next day
13:0003:30next day
14:0004:30next day
15:0005:30next day
16:0006:30next day
17:0007:30next day
18:0008:30next day
19:0009:30next day
20:0010:30next day
21:0011:30next day
22:0012:30next dayNow
23:0013:30next day

About this conversion

HAST here means Hawaii-Aleutian Time, represented by Adak (America/Adak), currently UTC−9. IST means India Time, represented by Mumbai (Asia/Kolkata), currently UTC+5:30.

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

IST is used by 3 zones, including India. See every meaning of IST.

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 23:30 IST
  • 12:00 HAST is 02:30 IST
  • 15:00 HAST is 05:30 IST
  • 18:00 HAST is 08:30 IST

Related conversions