JST to IST Time Converter
Convert Japan Standard Time to India Standard Time instantly.
Scroll the timeline to check any hour of the day.
Japan Standard Time
JST
5:24
India Standard Time
IST
1:54
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How the JST to IST time difference works
IST is 3 hours 30 minutes behind JST. Japan Standard Time (JST) is the time zone of Japan. India Standard Time (IST) is the time zone of India and Sri Lanka. For example, 9:00 AM JST is 5:30 AM IST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
3 hours 30 minutes
Daylight saving
Neither
JST offset
UTC+9
IST offset
UTC+5:30
JST to IST conversion chart
| Japan Standard Time (JST) | India Standard Time (IST) |
|---|---|
| 12:00 AM | 8:30 PM -1 day |
| 1:00 AM | 9:30 PM -1 day |
| 2:00 AM | 10:30 PM -1 day |
| 3:00 AM | 11:30 PM -1 day |
| 4:00 AM | 12:30 AM |
| 5:00 AM | 1:30 AM |
| 6:00 AM | 2:30 AM |
| 7:00 AM | 3:30 AM |
| 8:00 AM | 4:30 AM |
| 9:00 AM | 5:30 AM |
| 10:00 AM | 6:30 AM |
| 11:00 AM | 7:30 AM |
| 12:00 PM | 8:30 AM |
| 1:00 PM | 9:30 AM |
| 2:00 PM | 10:30 AM |
| 3:00 PM | 11:30 AM |
| 4:00 PM | 12:30 PM |
| 5:00 PM | 1:30 PM |
| 6:00 PM | 2:30 PM |
| 7:00 PM | 3:30 PM |
| 8:00 PM | 4:30 PM |
| 9:00 PM | 5:30 PM |
| 10:00 PM | 6:30 PM |
| 11:00 PM | 7:30 PM |
Best time to meet
A standard 9 to 5 workday overlaps from 12:30 PM to 5:00 PM JST (9:00 AM to 1:30 PM IST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Japan Standard Time (JST)
TokyoOsakaYokohamaNagoyaSapporo
India Standard Time (IST)
MumbaiDelhiBengaluruKolkataChennaiHyderabad
JST to IST questions
Is IST ahead of or behind JST?
IST is 3 hours 30 minutes behind JST. So 9:00 AM JST is 5:30 AM IST, and 5:00 PM JST is 1:30 PM IST.
What time is it in IST when it is 12:00 PM JST?
When it is 12:00 PM (noon) JST in Japan Standard Time, it is 8:30 AM IST in India Standard Time.
How many hours difference is there between JST and IST?
There is a 3 hours 30 minutes difference. India Standard Time (IST) runs 3 hours 30 minutes behind Japan Standard Time (JST).
Do JST and IST observe daylight saving time?
Neither Japan Standard Time nor India Standard Time observes daylight saving time, so the 3 hours 30 minutes difference between them is the same all year.
What is the best time to schedule a meeting between JST and IST?
A standard 9-to-5 workday overlaps from 12:30 PM to 5:00 PM JST (9:00 AM to 1:30 PM IST). Scheduling inside that window keeps the call during business hours in both Japan Standard Time and India Standard Time.
Which cities use JST and IST?
Japan Standard Time (JST) covers cities such as Tokyo, Osaka, Yokohama, Nagoya, Sapporo. India Standard Time (IST) covers cities such as Mumbai, Delhi, Bengaluru, Kolkata, Chennai, Hyderabad.