IST to United States time converter
United States is 9 hours 30 minutes behind IST. When it is 9:00 AM in IST, it is 11:30 PM (Sat, Oct 17) in United States.
IST UTC+5:30
Sunday, October 18, 2026
United States EDT
Saturday, October 17, 2026
1:13 AM in IST, Sunday, October 18, 2026
IST to United States conversion table
Every hour of today in IST and the matching time in United States. Light rows are typical working hours (9:00–18:00).
| IST | United States |
|---|---|
| 12:00 AM | 2:30 PM−1 day |
| 1:00 AM | 3:30 PM−1 day |
| 2:00 AM | 4:30 PM−1 day |
| 3:00 AM | 5:30 PM−1 day |
| 4:00 AM | 6:30 PM−1 day |
| 5:00 AM | 7:30 PM−1 day |
| 6:00 AM | 8:30 PM−1 day |
| 7:00 AM | 9:30 PM−1 day |
| 8:00 AM | 10:30 PM−1 day |
| 9:00 AM | 11:30 PM−1 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 |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 4:30 PM – 6:00 PM in IST (7:00 AM – 8:30 AM in United States): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because IST and United States switch clocks on different dates:
- Oct 18, 2026 – Nov 1, 2026: -9h 30m
- Nov 1, 2026 – Mar 14, 2027: -10h 30m
- Mar 14, 2027 – Oct 18, 2027: -9h 30m
More conversions
Questions and answers
What is the time difference between IST and United States?
United States is 9 hours 30 minutes behind IST.
What time is it in United States when it is 9 AM in IST?
When it is 9:00 AM in IST, it is 11:30 PM (Sat, Oct 17) in United States.
When is the best time to call United States from IST?
Working hours don't overlap fully. The closest fit is 4:30 PM – 6:00 PM in IST (7:00 AM – 8:30 AM in United States): working hours on one side, early or late on the other.
Does the time difference between IST and United States change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.