Surat Time to JST Converter
JST is 3 hours 30 minutes ahead of IST. 9:00 AM IST = 12:30 PM JST.
JST is 3 hours 30 minutes ahead of IST. To convert Surat Time to JST, add 3 hours 30 minutes to the Surat Time time: 9:00 AM IST = 12:30 PM JST.
Surat Time (Surat time) is used in Surat, India. JST (Japan Time) is used in Japan.
Surat Time to JST time conversion table
Surat Time to JST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Surat Time | JST | Day |
|---|---|---|
| 12:00 AM IST | 3:30 AM JST | night |
| 1:00 AM IST | 4:30 AM JST | night |
| 2:00 AM IST | 5:30 AM JST | night |
| 3:00 AM IST | 6:30 AM JST | — |
| 4:00 AM IST | 7:30 AM JST | — |
| 5:00 AM IST | 8:30 AM JST | — |
| 6:00 AM IST | 9:30 AM JST | — |
| 7:00 AM IST | 10:30 AM JST | — |
| 8:00 AM IST | 11:30 AM JST | — |
| 9:00 AM IST | 12:30 PM JST | work hours |
| 10:00 AM IST | 1:30 PM JST | work hours |
| 11:00 AM IST | 2:30 PM JST | work hours |
| 12:00 PM IST | 3:30 PM JST | work hours |
| 1:00 PM IST | 4:30 PM JST | work hours |
| 2:00 PM IST | 5:30 PM JST | — |
| 3:00 PM IST | 6:30 PM JST | — |
| 4:00 PM IST | 7:30 PM JST | — |
| 5:00 PM IST | 8:30 PM JST | — |
| 6:00 PM IST | 9:30 PM JST | — |
| 7:00 PM IST | 10:30 PM JST | night |
| 8:00 PM IST | 11:30 PM JST | night |
| 9:00 PM IST | 12:30 AM JST | next day |
| 10:00 PM IST | 1:30 AM JST | next day |
| 11:00 PM IST | 2:30 AM JST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Surat Time to JST
Add 3 hours 30 minutes to the Surat Time time to get JST.
Example: 9:00 AM IST = 12:30 PM JST.
Across midnight: 10:00 PM IST = 1:30 AM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between Surat Time and JST
The time difference between Surat Time and JST is 3 hours 30 minutes all year – JST is ahead of IST.
Surat Time and JST during daylight saving time
- Surat Time does not observe daylight saving time; it stays on UTC+5:30 all year.
- JST does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between Surat Time and JST
Surat Time and JST share 4 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:30 PM IST lands between 12:30 PM and 5:00 PM JST, inside working hours for both.
Surat Time to JST FAQ
What is the time difference between Surat Time and JST?
JST is 3 hours 30 minutes ahead of IST all year. 9:00 AM IST = 12:30 PM JST.
What is 9 AM Surat Time in JST?
9:00 AM IST is 12:30 PM JST.
What is 12 PM (noon) Surat Time in JST?
12:00 PM IST is 3:30 PM JST.
Is JST ahead of or behind Surat Time?
JST is 3 hours 30 minutes ahead of IST, so it is later in JST than in Surat Time.
Does Surat Time change for daylight saving time?
No. Surat Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Surat Time and JST?
Surat Time and JST share 4 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:30 PM IST lands between 12:30 PM and 5:00 PM JST, inside working hours for both.
Related conversions
Convert JST to Surat Time
Convert Surat Time to other time zones
Convert other time zones to JST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.