EST ISTTime Converter
EST (UTC−5) is currently 10 hours 30 minutes behind IST (UTC+5:30). Compare live clocks, convert any hour, and find times to meet.
Best time to meet between EST and IST
Best meeting times:
EST: 7:00 AM – 8:00 AM
IST: 5:30 PM – 6:30 PM
Quick answer
When it's in EST, it's the same day in IST.
EST runs 10 hours 30 minutes behind IST. A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours: edge-of-day calls are the trick.
- Time difference
- +10h 30m
- EST
- UTC−5
- IST
- UTC+5:30
- Best call window
- Outside 9–6
EST to IST conversion table
The next 12 hours in EST and the matching local time in IST. The current hour is highlighted; drag the converter's slider and the table follows.
| EST | IST |
|---|---|
| NOW Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Daylight saving shifts this gap by up to 1 hour
The difference between EST and IST swings between 9.5 and 10.5 hours across the year as each side starts or ends daylight saving. Regions on EST switch to EDT (UTC−4) during daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair: every combination is a live tool, not an article.
From EST
To IST
One source of truth, for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am EST time in IST?", it can cite the exact, DST-aware result, not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with time zone identifiers and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "EST → IST",
"url": "https://worldclock.pro/en/convert/est-to-ist",
"from": {
"name": "EST",
"type": "timezone",
"abbreviation": "EST",
"daylightAbbreviation": "EDT",
"iana": "America/New_York",
"standardUtcOffset": "-05:00",
"daylightUtcOffset": "-04:00",
"referenceCity": "New York"
},
"to": {
"name": "IST",
"type": "timezone",
"abbreviation": "IST",
"daylightAbbreviation": null,
"iana": "Asia/Kolkata",
"standardUtcOffset": "+05:30",
"daylightUtcOffset": null,
"referenceCity": "Mumbai"
},
"currentDifferenceMinutes": 630,
"possibleDifferencesMinutes": [
570,
630
],
"note": "Between the regions that use these zones the difference is 9.5 and 10.5 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between EST and IST?
EST is currently 10 hours 30 minutes behind IST. EST is on EST (UTC−5) and IST is on IST (UTC+5:30). The difference can change when either side starts or ends daylight saving time.
Is IST ahead of or behind EST?
IST is currently 10 hours 30 minutes ahead of EST.
When it is 9:00 AM in EST, what time is it in IST?
When it is 9:00 AM on a Thursday in EST, it is 7:30 PM in IST.
Do EST and IST observe daylight saving time?
Regions on EST switch to EDT (UTC−4) during daylight saving time. IST does not observe daylight saving time.
How do I convert EST time to IST time?
Add 10 hours 30 minutes to any time in EST to get the time in IST. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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