Timezone conversion
JST to IST Time — Convert Japan Standard Time to India Standard Time
IST is currently 3h30m behind JST. This offset stays the same all year — neither zone shifts for daylight saving in a way that changes it.
IST is currently 3h30m behind JST.
JST • GMT+9 (UTC+9)
2:16 AM
Thursday, Jul 9
IST • GMT+5:30 (UTC+5:30)
10:46 PM
Wednesday, Jul 8
Abbreviation disambiguation
IST here means India Standard Time. Note: major collisions: Israel Standard Time (Asia/Jerusalem), Irish Standard Time (Europe/Dublin) — canonical=India, page must disambiguate
Interactive converter
12:00PM
12
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Full JST to IST conversion table
| JST | IST |
|---|---|
| 12:00 AM | 8:30 PM(previous day) |
| 1:00 AM | 9:30 PM(previous day) |
| 2:00 AM | 10:30 PM(previous day) |
| 3:00 AM | 11:30 PM(previous day) |
| 4:00 AM | 12:30 AM |
| 5:00 AM | 1:30 AM |
| 6:00 AM | 2:30 AM |
| 7:00 AM | 3:30 AM |
| 8:00 AM | 4:30 AM |
| 9:00 AM | 5:30 AM |
| 10:00 AM | 6:30 AM |
| 11:00 AM | 7:30 AM |
| 12:00 PM | 8:30 AM |
| 1:00 PM | 9:30 AM |
| 2:00 PM | 10:30 AM |
| 3:00 PM | 11:30 AM |
| 4:00 PM | 12:30 PM |
| 5:00 PM | 1:30 PM |
| 6:00 PM | 2:30 PM |
| 7:00 PM | 3:30 PM |
| 8:00 PM | 4:30 PM |
| 9:00 PM | 5:30 PM |
| 10:00 PM | 6:30 PM |
| 11:00 PM | 7:30 PM |
Daylight saving and how the gap changes
The JST → 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 JST right now?
- IST is currently 3h30m behind JST.
- What is the current JST to IST time difference?
- Right now the gap is 3h30m behind — IST is 3h30m behind JST.
- Does the JST → IST offset change during the year?
- No. Neither Japan 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 JST observe daylight saving time?
- No — Japan 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 9 AM JST in IST?
- 9:00 AM JST is 5:30 AM IST.
- What time is 12 PM (noon) JST in IST?
- 12:00 PM JST is 8:30 AM IST.
- What time is 5 PM JST in IST?
- 5:00 PM JST is 1:30 PM IST.
- When is the best time to schedule a call between JST and IST?
- The working-hours overlap (09:00–17:00 in both zones) runs roughly 12:30 PM – 5:00 PM JST (≈ 4.5 hours). Mid-morning JST is usually the safest window for a live call.
- What time zone does JST refer to?
- JST refers to Japan Standard Time (IANA: Asia/Tokyo).
- What time zone does IST refer to?
- IST refers to India Standard Time (IANA: Asia/Kolkata).
- Is IST on this page the same as other zones that share the letters "IST"?
- On Clockjumper, IST means India Standard Time. Disambiguation: major collisions: Israel Standard Time (Asia/Jerusalem), Irish Standard Time (Europe/Dublin) — canonical=India, page must disambiguate