TimeToZone

IST to US Time Converter

EST is 10 hours 30 minutes behind IST. 9:00 AM IST = 10:30 PM EST (previous day).

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ISTfrom
India Standard Time
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US
United States
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EST is 10 hours 30 minutes behind IST at the moment. To convert IST to US Time, subtract 10 hours 30 minutes from the IST time: 9:00 AM IST = 10:30 PM EST (previous day).

IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time). US Time (US time) is used in United States.

IST here means India Standard Time, not Irish or Israel Standard Time.

IST to US Time time conversion table

IST to US Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

ISTUS TimeDay
12:00 AM IST1:30 PM ESTprevious day
1:00 AM IST2:30 PM ESTprevious day
2:00 AM IST3:30 PM ESTprevious day
3:00 AM IST4:30 PM ESTprevious day
4:00 AM IST5:30 PM ESTprevious day
5:00 AM IST6:30 PM ESTprevious day
6:00 AM IST7:30 PM ESTprevious day
7:00 AM IST8:30 PM ESTprevious day
8:00 AM IST9:30 PM ESTprevious day
9:00 AM IST10:30 PM ESTprevious day
10:00 AM IST11:30 PM ESTprevious day
11:00 AM IST12:30 AM ESTnight
12:00 PM IST1:30 AM ESTnight
1:00 PM IST2:30 AM ESTnight
2:00 PM IST3:30 AM ESTnight
3:00 PM IST4:30 AM ESTnight
4:00 PM IST5:30 AM ESTnight
5:00 PM IST6:30 AM EST—
6:00 PM IST7:30 AM EST—
7:00 PM IST8:30 AM EST—
8:00 PM IST9:30 AM EST—
9:00 PM IST10:30 AM EST—
10:00 PM IST11:30 AM EST—
11:00 PM IST12:30 PM EST—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert IST to US Time

Subtract 10 hours 30 minutes from the IST time to get US Time.

Example: 9:00 AM IST = 10:30 PM EST (previous day).

Across midnight: 1:00 AM IST = 2:30 PM EST (previous day). The date changes, so always check the day as well as the hour.

Time difference between IST and US Time

The time difference between IST and US Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 7 Mar 2026: US Time is 10 hours 30 minutes behind of IST.
  • 8 Mar 2026 – 31 Oct 2026: US Time is 9 hours 30 minutes behind of IST.
  • 1 Nov 2026 – 31 Dec 2026: US Time is 10 hours 30 minutes behind of IST.

IST and US Time during daylight saving time

  • IST does not observe daylight saving time; it stays on UTC+5:30 all year.
  • US Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).

Best time for a meeting between IST and US Time

IST and US Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM IST, which is 8:30 PM EST.

Plan a meeting across more time zones.

IST to US Time FAQ

What is the time difference between IST and US Time?

Right now EST is 10 hours 30 minutes behind IST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM IST in US Time?

9:00 AM IST is 10:30 PM EST (previous day).

What is 12 PM (noon) IST in US Time?

12:00 PM IST is 1:30 AM EST.

Is US Time ahead of or behind IST?

EST is 10 hours 30 minutes behind IST, so it is earlier in US Time than in IST.

Does IST change for daylight saving time?

No. IST stays on the same offset all year, so conversions never shift for daylight saving time.

Does US Time change for daylight saving time?

Yes. US Time next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.

What is the best time for a meeting between IST and US Time?

IST and US Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM IST, which is 8:30 PM EST.

Related conversions

Convert US Time to IST

Convert IST to other time zones

Convert other time zones to US Time

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.