Skip to main content

Convert JST to IST

Japan Standard Time (JST) to India Standard Time (IST)

When it's 12:00 PM JST, it's 8:30 AM IST

UTC+9 UTC+5:30 -3:30 hours

Interactive Converter

Pick any time and date to convert between JST and IST.

JST to IST Conversion Table

Full 24-hour comparison. Business hours (9 AM -- 6 PM) are highlighted.

JST 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 Meeting Window

Top meeting times for teams in JST and IST (9 AM -- 6 PM work hours, 1-hour meeting).

12a
3a
6a
9a
12p
3p
6p
9p
JST GMT+9
IST GMT+5:30
Overlap
Everyone available
Most available
Some overlap
Outside work hours
1 3:00 PM -- 4:00 PM JST
JST: 3:00 PM IST: 11:00 AM

All members within working hours. Everyone in mid-day range.

8.6 / 10
2 4:00 PM -- 5:00 PM JST
JST: 4:00 PM IST: 12:00 PM

All members within working hours. Everyone in mid-day range.

8.6 / 10
3 2:00 PM -- 3:00 PM JST
JST: 2:00 PM IST: 10:00 AM

All members within working hours. Everyone in mid-day range.

8.4 / 10

Try the full Meeting Finder with custom work hours →

Time Difference & DST

IST is 3 hours 30 minutes behind JST. JST is at UTC+9 and IST is at UTC+5:30.

Neither JST nor IST has an upcoming DST transition within the next 12 months.

The conversion table above reflects the current DST state at build time. Use the interactive converter for live, date-specific conversions.

Major Cities

Japan Standard Time (JST)

  • Tokyo
  • Osaka
  • Yokohama

India Standard Time (IST)

  • Mumbai
  • Delhi
  • Bangalore

Related Conversions

Popular Conversions

Related Meeting Pages

Find the best meeting times for multi-zone teams.