Timezone conversion
IST to EST Time — Convert India Standard Time to Eastern Standard Time (US)
EST is currently 9h30m behind IST. The gap shifts across the year: around January it is 10h30m behind IST, and around July it is 9h30m behind IST, because one or both zones observe daylight saving.
EST is currently 9h30m behind IST.
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
EST here means Eastern Standard Time (US). Note: colloquially year-round US Eastern; also Australia AEST informally
Interactive converter
12:00PM
Full IST to EST conversion table
| IST | EST |
|---|---|
| 12:00 AM | 2:30 PM(previous day) |
| 1:00 AM | 3:30 PM(previous day) |
| 2:00 AM | 4:30 PM(previous day) |
| 3:00 AM | 5:30 PM(previous day) |
| 4:00 AM | 6:30 PM(previous day) |
| 5:00 AM | 7:30 PM(previous day) |
| 6:00 AM | 8:30 PM(previous day) |
| 7:00 AM | 9:30 PM(previous day) |
| 8:00 AM | 10:30 PM(previous day) |
| 9:00 AM | 11:30 PM(previous day) |
| 10:00 AM | 12:30 AM |
| 11:00 AM | 1:30 AM |
| 12:00 PM | 2:30 AM |
| 1:00 PM | 3:30 AM |
| 2:00 PM | 4:30 AM |
| 3:00 PM | 5:30 AM |
| 4:00 PM | 6:30 AM |
| 5:00 PM | 7:30 AM |
| 6:00 PM | 8:30 AM |
| 7:00 PM | 9:30 AM |
| 8:00 PM | 10:30 AM |
| 9:00 PM | 11:30 AM |
| 10:00 PM | 12:30 PM |
| 11:00 PM | 1:30 PM |
Daylight saving and how the gap changes
Around January the IST → EST offset is 10h30m behind IST. Around July it is 9h30m behind IST. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.
Frequently asked questions
- Is EST ahead of or behind IST right now?
- EST is currently 9h30m behind IST.
- What is the current IST to EST time difference?
- Right now the gap is 9h30m behind — EST is 9h30m behind IST.
- Does the IST → EST offset change during the year?
- Yes. Around January the offset is 10h30m behind IST; around July it is 9h30m behind IST. The converter above always reflects the correct offset for the date you pick.
- Does IST observe daylight saving time?
- No — India Standard Time stays at a fixed UTC offset year-round.
- Does EST observe daylight saving time?
- Yes — Eastern Standard Time (US) observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.
- What time is 9 AM IST in EST?
- 9:00 AM IST is 11:30 PM (previous day) EST.
- What time is 12 PM (noon) IST in EST?
- 12:00 PM IST is 2:30 AM EST.
- What time is 5 PM IST in EST?
- 5:00 PM IST is 7:30 AM EST.
- When is the best time to schedule a call between IST and EST?
- IST and EST 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 EST refer to?
- EST refers to Eastern Standard Time (US) (IANA: America/New_York).
- 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
- Is EST on this page the same as other zones that share the letters "EST"?
- On Clockjumper, EST means Eastern Standard Time (US). Disambiguation: colloquially year-round US Eastern; also Australia AEST informally