Quarter to Twelve

Time in JST and IRKT

The time difference between Japan Standard Time (JST) and Irkutsk Time (IRKT) is 1 hour. Irkutsk Time is 1 hour behind Japan Standard Time.

This means 9am JST is 8am IRKT and 5pm JST is 4pm IRKT.

Japan Standard Time

  • The current local time in JST is 4:08 am (July 9, 2026)
  • JST time zone offset is UTC+09:00

Irkutsk Time

  • The current local time in IRKT is 3:08 am (July 9, 2026)
  • IRKT time zone offset is UTC+08:00

How to convert Japan Standard Time to Irkutsk Time?

Subtract 1 hour from Japan Standard Time to get Irkutsk Time.

Time in JST

00:00

Time in IRKT

00:00

Use the slider above to convert Japan Standard Time to Irkutsk Time and view the day and night map at different times.

Day–night colors on the map:
Day colors Day
Civil twilight colors Civil twilight
Nautical twilight colors Nautical twilight
Astronomical twilight colors Astronomical twilight
Night colors Night

Time Conversion Chart

JSTIRKT
12am11pm
1am12am
2am1am
3am2am
4am3am
5am4am
6am5am
7am6am
8am7am
9am8am
10am9am
11am10am
12pm11am
1pm12pm
2pm1pm
3pm2pm
4pm3pm
5pm4pm
6pm5pm
7pm6pm
8pm7pm
9pm8pm
10pm9pm
11pm10pm