IST to NST/NDT time converter
NST/NDT is 8 hours behind IST. When it is 9:00 AM in IST, it is 1:00 AM in NST/NDT.
Finding your time zone…
12:37 AM in IST, Saturday, October 17, 2026
Shared working hours (9:00–18:00)
IST to NST/NDT conversion table
Every hour of today in IST and the matching time in NST/NDT. Light rows are typical working hours (9:00–18:00).
| IST | NST/NDT |
|---|---|
| 12:00 AM | 4:00 PM−1 day |
| 1:00 AM | 5:00 PM−1 day |
| 2:00 AM | 6:00 PM−1 day |
| 3:00 AM | 7:00 PM−1 day |
| 4:00 AM | 8:00 PM−1 day |
| 5:00 AM | 9:00 PM−1 day |
| 6:00 AM | 10:00 PM−1 day |
| 7:00 AM | 11:00 PM−1 day |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Best time to call or meet
Both sides are at work from 5:00 PM – 6:00 PM in IST (9:00 AM – 10:00 AM in NST/NDT).
Daylight saving time and the difference
The difference changes during the year because IST and NST/NDT switch clocks on different dates:
- Oct 17, 2026 – Nov 1, 2026: -8h
- Nov 1, 2026 – Mar 14, 2027: -9h
- Mar 14, 2027 – Oct 17, 2027: -8h
More conversions
Questions and answers
What is the time difference between IST and NST/NDT?
NST/NDT is 8 hours behind IST.
What time is it in NST/NDT when it is 9 AM in IST?
When it is 9:00 AM in IST, it is 1:00 AM in NST/NDT.
When is the best time to call NST/NDT from IST?
Both sides are at work from 5:00 PM – 6:00 PM in IST (9:00 AM – 10:00 AM in NST/NDT).
Does the time difference between IST and NST/NDT change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.