Mumbai New YorkIST to EST Time Converter
Mumbai (IST, UTC+5:30) is currently 10 hours 30 minutes ahead of New York (EST, UTC−5). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Mumbai, it's the previous day in New York.
Mumbai (IST) runs 10 hours 30 minutes ahead of New York (EST). 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
- IST
- UTC+5:30
- EST
- UTC−5
- Best call window
- Outside 9–6
IST to EST conversion table
The next 12 hours in IST and the matching local time in EST. The current hour is highlighted; drag the converter's slider and the table follows.
| IST | EST |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Best time to meet between IST & EST
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
Daylight saving shifts this gap by up to 1 hour
The difference between IST and EST swings between 10.5 and 9.5 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 IST
To EST
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 IST time in EST?", 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 IANA zones and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "IST → EST",
"url": "https://worldclock.pro/en/convert/ist-to-est",
"from": {
"name": "IST",
"type": "timezone",
"abbreviation": "IST",
"daylightAbbreviation": null,
"iana": "Asia/Kolkata",
"standardUtcOffset": "+05:30",
"daylightUtcOffset": null,
"referenceCity": "Mumbai"
},
"to": {
"name": "EST",
"type": "timezone",
"abbreviation": "EST",
"daylightAbbreviation": "EDT",
"iana": "America/New_York",
"standardUtcOffset": "-05:00",
"daylightUtcOffset": "-04:00",
"referenceCity": "New York"
},
"currentDifferenceMinutes": -630,
"possibleDifferencesMinutes": [
-630,
-570
],
"note": "Between the regions that use these zones the difference is 10.5 and 9.5 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 IST and EST?
IST is currently 10 hours 30 minutes ahead of EST. IST is on IST (UTC+5:30) and EST is on EST (UTC−5). The difference can change when either side starts or ends daylight saving time.
Is EST ahead of or behind IST?
EST is currently 10 hours 30 minutes behind IST.
When it is 9:00 AM in IST, what time is it in EST?
When it is 9:00 AM on a Monday in IST, it is 10:30 PM the previous day in EST.
Do IST and EST observe daylight saving time?
IST does not observe daylight saving time. Regions on EST switch to EDT (UTC−4) during daylight saving time.
How do I convert IST time to EST time?
Subtract 10 hours 30 minutes from any time in IST to get the time in EST. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
More world clock & time zone apps
From the team behind worldclock.pro — global scheduling on iPhone & iPad, a Mac menu-bar clock, and precision Zulu/UTC for aviation, military, and HAM radio.
World Clock Master
Global time zone scheduling for international teams, travelers, and professionals who coordinate across cities and continents.
View app
World Clock Pro
The same powerful time zone converter, meeting scheduler, and world clock — living in your Mac's menu bar.
View app