Convert India Standard Time (IST) to Japan Standard Time (JST), with daylight saving applied for the exact date you pick.
Tue, Oct 27
Tue, Oct 27 Same day
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|
IST 9 to 5 JST 9 to 5
JST is 3 hours 30 minutes ahead of IST.
The same conversion works for every city on these clocks, such as India to Japan, India to Tokyo and Delhi to Japan.
Shaded areas follow the official zone boundaries, so a country split across zones is split here too. Hover or tap a region for its local time.
Every hour of Tuesday, October 27, 2026, side by side. Days with a clock change show 23 or 25 rows.
Shaded rows fall inside working hours in both places.
| New Delhi (IST) | Tokyo (JST) | Working hours |
|---|---|---|
| 12:00 AM | 3:30 AM | |
| 1:00 AM | 4:30 AM | |
| 2:00 AM | 5:30 AM | |
| 3:00 AM | 6:30 AM | |
| 4:00 AM | 7:30 AM | |
| 5:00 AM | 8:30 AM | |
| 6:00 AM | 9:30 AM | |
| 7:00 AM | 10:30 AM | |
| 8:00 AM | 11:30 AM | |
| 9:00 AM | 12:30 PM | Both working |
| 10:00 AM | 1:30 PM | Both working |
| 11:00 AM | 2:30 PM | Both working |
| 12:00 PM | 3:30 PM | Both working |
| 1:00 PM | 4:30 PM | Both working |
| 2:00 PM | 5:30 PM | |
| 3:00 PM | 6:30 PM | |
| 4:00 PM | 7:30 PM | |
| 5:00 PM | 8:30 PM | |
| 6:00 PM | 9:30 PM | |
| 7:00 PM | 10:30 PM | |
| 8:00 PM | 11:30 PM | |
| 9:00 PM | 12:30 AM next day | |
| 10:00 PM | 1:30 AM next day | |
| 11:00 PM | 2:30 AM next day |
Every hour of the India Standard Time day, plus the common half hours, and their JST equivalents.
| India Standard Time | JST 3 h 30 min ahead, all year |
|---|---|
| 12:00 AM | 3:30 AM |
| 1:00 AM | 4:30 AM |
| 2:00 AM | 5:30 AM |
| 3:00 AM | 6:30 AM |
| 4:00 AM | 7:30 AM |
| 5:00 AM | 8:30 AM |
| 6:00 AM | 9:30 AM |
| 7:00 AM | 10:30 AM |
| 8:00 AM | 11:30 AM |
| 9:00 AM | 12:30 PM |
| 9:30 AM | 1:00 PM |
| 10:00 AM | 1:30 PM |
| 10:30 AM | 2:00 PM |
| 11:00 AM | 2:30 PM |
| 11:30 AM | 3:00 PM |
| 12:00 PM | 3:30 PM |
| 12:30 PM | 4:00 PM |
| 1:00 PM | 4:30 PM |
| 1:30 PM | 5:00 PM |
| 2:00 PM | 5:30 PM |
| 2:30 PM | 6:00 PM |
| 3:00 PM | 6:30 PM |
| 3:30 PM | 7:00 PM |
| 4:00 PM | 7:30 PM |
| 4:30 PM | 8:00 PM |
| 5:00 PM | 8:30 PM |
| 5:30 PM | 9:00 PM |
| 6:00 PM | 9:30 PM |
| 7:00 PM | 10:30 PM |
| 8:00 PM | 11:30 PM |
| 9:00 PM | 12:30 AM (next day) |
| 10:00 PM | 1:30 AM (next day) |
| 11:00 PM | 2:30 AM (next day) |
Neither India Standard Time nor Japan Standard Time changes its clocks in the next 18 months.
India Standard Time is UTC+5:30 all year. The whole country keeps a single clock, and India has not observed daylight saving time since the 1940s, so IST never changes.
IST can also stand for Irish Standard Time or Israel Standard Time. On this site IST always means India Standard Time (Asia/Kolkata).
Japan Standard Time is UTC+9 all year. Japan does not observe daylight saving time.
Japan Standard Time is 3 hours 30 minutes ahead of India Standard Time all year.
Japan uses Japan Standard Time. Japan Standard Time is 3 hours 30 minutes ahead of India Standard Time all year. Type any IST time into the IST to JST converter to see the Japan time for any date.
9:00 AM IST is 12:30 PM JST.
12:00 PM IST is 3:30 PM JST.
10:00 AM IST is 1:30 PM JST.
5:00 PM IST is 8:30 PM JST.
Yes. Japan Standard Time is 3 hours 30 minutes ahead of India Standard Time all year.
Working days of 9 AM to 5 PM overlap from 9:00 AM to 1:30 PM IST, which is 12:30 PM to 5:00 PM JST.
Neither zone observes daylight saving time, so the difference never changes.
IST can also stand for Irish Standard Time or Israel Standard Time. On this site IST always means India Standard Time (Asia/Kolkata).