Clockjumper

Timezone conversion

IST to HST Time — Convert India Standard Time to Hawaii Standard Time

HST is currently 15 hours and 30 minutes behind IST. This offset stays the same all year — neither zone shifts for daylight saving in a way that changes it.

HST is currently 15 hours and 30 minutes behind IST.

IST • IST (UTC+5:30)
8:02 PM
Thursday, Sep 10
HST • HST (UTC-10)
4:32 AM
Thursday, Sep 10

Abbreviation disambiguation

On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.

Hawaii Standard Time is UTC−10 year-round. Hawaii does not observe daylight saving time.

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Full IST to HST conversion table

ISTHST
12:00 AM8:30 AM(previous day)
1:00 AM9:30 AM(previous day)
2:00 AM10:30 AM(previous day)
3:00 AM11:30 AM(previous day)
4:00 AM12:30 PM(previous day)
5:00 AM1:30 PM(previous day)
6:00 AM2:30 PM(previous day)
7:00 AM3:30 PM(previous day)
8:00 AM4:30 PM(previous day)
9:00 AM5:30 PM(previous day)
10:00 AM6:30 PM(previous day)
11:00 AM7:30 PM(previous day)
12:00 PM8:30 PM(previous day)
1:00 PM9:30 PM(previous day)
2:00 PM10:30 PM(previous day)
3:00 PM11:30 PM(previous day)
4:00 PM12:30 AM
5:00 PM1:30 AM
6:00 PM2:30 AM
7:00 PM3:30 AM
8:00 PM4:30 AM
9:00 PM5:30 AM
10:00 PM6:30 AM
11:00 PM7:30 AM

Daylight saving and how the gap changes

The IST → HST offset stays constant across the year — neither zone shifts for daylight saving in a way that changes this gap.

Frequently asked questions

Is HST ahead of or behind IST right now?
HST is currently 15 hours and 30 minutes behind IST.
What is the current IST to HST time difference?
Right now the gap is 15 hours and 30 minutes — HST is 15 hours and 30 minutes behind IST.
Does the IST → HST offset change during the year?
No. Neither India Standard Time nor Hawaii Standard Time shifts for daylight saving in a way that changes this offset — the gap is the same all year.
Does IST observe daylight saving time?
No — India Standard Time stays at a fixed UTC offset year-round.
Does HST observe daylight saving time?
No — Hawaii Standard Time stays at a fixed UTC offset year-round.
What time is 3 AM IST in HST?
3:00 AM IST is 11:30 AM (previous day) HST.
What time is 8 AM IST in HST?
8:00 AM IST is 4:30 PM (previous day) HST.
What time is 9 AM IST in HST?
9:00 AM IST is 5:30 PM (previous day) HST.
What time is 10 AM IST in HST?
10:00 AM IST is 6:30 PM (previous day) HST.
What time is 11 AM IST in HST?
11:00 AM IST is 7:30 PM (previous day) HST.
What time is 12 PM (noon) IST in HST?
12:00 PM IST is 8:30 PM (previous day) HST.
What time is 2 PM IST in HST?
2:00 PM IST is 10:30 PM (previous day) HST.
What time is 3 PM IST in HST?
3:00 PM IST is 11:30 PM (previous day) HST.
What time is 4 PM IST in HST?
4:00 PM IST is 12:30 AM HST.
What time is 5 PM IST in HST?
5:00 PM IST is 1:30 AM HST.
What time is 9 PM IST in HST?
9:00 PM IST is 5:30 AM HST.
What time is 10 PM IST in HST?
10:00 PM IST is 6:30 AM HST.
When is the best time to schedule a call between IST and HST?
IST and HST have no direct 09:00–17:00 overlap on the same calendar day. Consider early-morning or late-evening slots on one side, or an asynchronous handoff.
What time zone does IST refer to?
IST refers to India Standard Time (IANA: Asia/Kolkata).
What time zone does HST refer to?
HST refers to Hawaii Standard Time (IANA: Pacific/Honolulu).
Is IST on this page the same as other zones that share the letters "IST"?
On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.
Is HST on this page the same as other zones that share the letters "HST"?
Hawaii Standard Time is UTC−10 year-round. Hawaii does not observe daylight saving time.

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