India Standard Time is 9 hours 30 minutes ahead of Eastern Time right now (until Oct 31, 2026); the gap changes to 10 hours 30 minutes when clocks change for daylight saving time. So 12:00 PM EDT = 9:30 PM IST at the moment. (Eastern Time is on EDT for daylight saving time right now.)
EST to IST conversion table
| EST | IST when EST is EDT | IST when EST is EST |
|---|---|---|
| 12:00 AM | 9:30 AM | 10:30 AM |
| 1:00 AM | 10:30 AM | 11:30 AM |
| 2:00 AM | 11:30 AM | 12:30 PM |
| 3:00 AM | 12:30 PM | 1:30 PM |
| 4:00 AM | 1:30 PM | 2:30 PM |
| 5:00 AM | 2:30 PM | 3:30 PM |
| 6:00 AM | 3:30 PM | 4:30 PM |
| 7:00 AM | 4:30 PM | 5:30 PM |
| 8:00 AM | 5:30 PM | 6:30 PM |
| 9:00 AM | 6:30 PM | 7:30 PM |
| 10:00 AM | 7:30 PM | 8:30 PM |
| 11:00 AM | 8:30 PM | 9:30 PM |
| 12:00 PM | 9:30 PM | 10:30 PM |
| 1:00 PM | 10:30 PM | 11:30 PM |
| 2:00 PM | 11:30 PM | 12:30 AM +1 day |
| 3:00 PM | 12:30 AM +1 day | 1:30 AM +1 day |
| 4:00 PM | 1:30 AM +1 day | 2:30 AM +1 day |
| 5:00 PM | 2:30 AM +1 day | 3:30 AM +1 day |
| 6:00 PM | 3:30 AM +1 day | 4:30 AM +1 day |
| 7:00 PM | 4:30 AM +1 day | 5:30 AM +1 day |
| 8:00 PM | 5:30 AM +1 day | 6:30 AM +1 day |
| 9:00 PM | 6:30 AM +1 day | 7:30 AM +1 day |
| 10:00 PM | 7:30 AM +1 day | 8:30 AM +1 day |
| 11:00 PM | 8:30 AM +1 day | 9:30 AM +1 day |
EST and IST difference through 2027
The gap between the two zones on each date range, including daylight saving time changes:
| Dates | Eastern Time | India Standard Time | Difference |
|---|---|---|---|
| Sep 30, 2026 – Oct 31, 2026 | EDT (UTC−4) | IST (UTC+5:30) | IST 9 hours 30 minutes ahead |
| Nov 1, 2026 – Mar 13, 2027 | EST (UTC−5) | IST (UTC+5:30) | IST 10 hours 30 minutes ahead |
| Mar 14, 2027 – Nov 6, 2027 | EDT (UTC−4) | IST (UTC+5:30) | IST 9 hours 30 minutes ahead |
| Nov 7, 2027 – Dec 31, 2027 | EST (UTC−5) | IST (UTC+5:30) | IST 10 hours 30 minutes ahead |
Best time to meet or call
- When IST is 9 hours 30 minutes ahead of EST: Standard 9 AM–5 PM working hours don't overlap. The best compromise is usually early morning in Eastern Time (8:00 AM–9:00 AM), which is 5:30 PM–6:30 PM in India Standard Time.
- When IST is 10 hours 30 minutes ahead of EST: Standard 9 AM–5 PM working hours don't overlap. The best compromise is usually early morning in Eastern Time (8:00 AM–9:00 AM), which is 6:30 PM–7:30 PM in India Standard Time.
About Eastern Time (EST)
The Eastern time zone uses EST (UTC−5) in winter and EDT (UTC−4) during daylight saving time, from the second Sunday in March to the first Sunday in November. It's used in New York, Washington DC, Boston, Atlanta, Miami, Detroit and Toronto.
About India Standard Time (IST)
India uses one time zone, IST (UTC+5:30), all year. India does not observe daylight saving time, so its difference from the US and UK changes when they change their clocks. It's used in all of India, including New Delhi, Mumbai, Bengaluru, Hyderabad, Chennai and Kolkata.
Frequently asked questions
What time is 12 PM EST in IST?
12:00 PM EDT is 9:30 PM IST right now (Sep 30, 2026 to Oct 31, 2026). The answer changes when either zone changes its clocks for daylight saving time.
How many hours ahead or behind is IST from EST?
Currently 9 hours 30 minutes ahead of EST. During the year the difference is 9 hours 30 minutes ahead of EST or 10 hours 30 minutes ahead of EST, depending on daylight saving time. See the table on this page for exact dates.
Does EST change for daylight saving time?
Yes. The Eastern time zone uses EST (UTC−5) in winter and EDT (UTC−4) during daylight saving time, from the second Sunday in March to the first Sunday in November.
Does IST change for daylight saving time?
No. India uses one time zone, IST (UTC+5:30), all year. India does not observe daylight saving time, so its difference from the US and UK changes when they change their clocks.
What is the best time for a call between EST and IST?
Working hours don't overlap. Early morning in Eastern Time or evening in India Standard Time usually works best.
Is it EST or EDT right now?
Eastern Time uses EST in winter and EDT from the second Sunday in March to the first Sunday in November. The live clock on this page shows which one applies today.
More time zone conversions
- IST to EST (reverse)
- EST to PST
- EST to CST
- EST to MST
- PST to IST
- CST to IST
- GMT to IST
- UTC to IST
- EST to GMT
- All time zones
Sources
Reviewed by Gurmej Singh, Founder, Divy Digital Hub · Last reviewed: Wednesday, September 30, 2026. All calculations run in your browser. Editorial policy.