Timezone conversion
HST to IST Time — Convert Hawaii Standard Time to India Standard Time
IST is currently 15 hours and 30 minutes ahead of HST. This offset stays the same all year — neither zone shifts for daylight saving in a way that changes it.
IST is currently 15 hours and 30 minutes ahead of HST.
HST • HST (UTC-10)
4:32 AM
Thursday, Sep 10
IST • IST (UTC+5:30)
8:02 PM
Thursday, Sep 10
Abbreviation disambiguation
Hawaii Standard Time is UTC−10 year-round. Hawaii does not observe daylight saving time.
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.
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Full HST to IST conversion table
| HST | IST |
|---|---|
| 12:00 AM | 3:30 PM |
| 1:00 AM | 4:30 PM |
| 2:00 AM | 5:30 PM |
| 3:00 AM | 6:30 PM |
| 4:00 AM | 7:30 PM |
| 5:00 AM | 8:30 PM |
| 6:00 AM | 9:30 PM |
| 7:00 AM | 10:30 PM |
| 8:00 AM | 11:30 PM |
| 9:00 AM | 12:30 AM(next day) |
| 10:00 AM | 1:30 AM(next day) |
| 11:00 AM | 2:30 AM(next day) |
| 12:00 PM | 3:30 AM(next day) |
| 1:00 PM | 4:30 AM(next day) |
| 2:00 PM | 5:30 AM(next day) |
| 3:00 PM | 6:30 AM(next day) |
| 4:00 PM | 7:30 AM(next day) |
| 5:00 PM | 8:30 AM(next day) |
| 6:00 PM | 9:30 AM(next day) |
| 7:00 PM | 10:30 AM(next day) |
| 8:00 PM | 11:30 AM(next day) |
| 9:00 PM | 12:30 PM(next day) |
| 10:00 PM | 1:30 PM(next day) |
| 11:00 PM | 2:30 PM(next day) |
Daylight saving and how the gap changes
The HST → IST offset stays constant across the year — neither zone shifts for daylight saving in a way that changes this gap.
Frequently asked questions
- Is IST ahead of or behind HST right now?
- IST is currently 15 hours and 30 minutes ahead of HST.
- What is the current HST to IST time difference?
- Right now the gap is 15 hours and 30 minutes — IST is 15 hours and 30 minutes ahead of HST.
- Does the HST → IST offset change during the year?
- No. Neither Hawaii Standard Time nor India Standard Time shifts for daylight saving in a way that changes this offset — the gap is the same all year.
- Does HST observe daylight saving time?
- No — Hawaii Standard Time stays at a fixed UTC offset year-round.
- Does IST observe daylight saving time?
- No — India Standard Time stays at a fixed UTC offset year-round.
- What time is 3 AM HST in IST?
- 3:00 AM HST is 6:30 PM IST.
- What time is 8 AM HST in IST?
- 8:00 AM HST is 11:30 PM IST.
- What time is 9 AM HST in IST?
- 9:00 AM HST is 12:30 AM (next day) IST.
- What time is 10 AM HST in IST?
- 10:00 AM HST is 1:30 AM (next day) IST.
- What time is 11 AM HST in IST?
- 11:00 AM HST is 2:30 AM (next day) IST.
- What time is 12 PM (noon) HST in IST?
- 12:00 PM HST is 3:30 AM (next day) IST.
- What time is 2 PM HST in IST?
- 2:00 PM HST is 5:30 AM (next day) IST.
- What time is 3 PM HST in IST?
- 3:00 PM HST is 6:30 AM (next day) IST.
- What time is 4 PM HST in IST?
- 4:00 PM HST is 7:30 AM (next day) IST.
- What time is 5 PM HST in IST?
- 5:00 PM HST is 8:30 AM (next day) IST.
- What time is 9 PM HST in IST?
- 9:00 PM HST is 12:30 PM (next day) IST.
- What time is 10 PM HST in IST?
- 10:00 PM HST is 1:30 PM (next day) IST.
- When is the best time to schedule a call between HST and IST?
- HST and IST 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 HST refer to?
- HST refers to Hawaii Standard Time (IANA: Pacific/Honolulu).
- What time zone does IST refer to?
- IST refers to India Standard Time (IANA: Asia/Kolkata).
- 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.
- 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.