• IRST Time to JST Time Converter

    IRST = UTC + 03:30

    09:38:26

    Tuesday, October 21, 2025

    JST = UTC + 09:00

    15:08:26

    Tuesday, October 21, 2025

    IRST(Iran Standard Time) and JST(Japan Standard Time) Mapping Table
    Iran Standard Time(IRST)Japan Standard Time(JST)
    00:0005:30
    01:0006:30
    02:0007:30
    03:0008:30
    04:0009:30
    05:0010:30
    06:0011:30
    07:0012:30
    08:0013:30
    09:0014:30
    10:0015:30
    11:0016:30
    12:0017:30
    13:0018:30
    14:0019:30
    15:0020:30
    16:0021:30
    17:0022:30
    18:0023:30
    19:0000:30+1 day
    20:0001:30+1 day
    21:0002:30+1 day
    22:0003:30+1 day
    23:0004:30+1 day

    IRST(Iran Standard Time)

    Iran Standard Time(IRST) is 03:30 hours ahead of Coordinated Universal(UTC) Time.This timezone is used during standard time in: AsiaIran Standard Time is a half-hour time zone. Its local time differs by 30 minutes instead of the normal whole hour.

    Typical City of IRST (Iran Standard Time)

    Iran - Tehran (Winter)

    JST(Japan Standard Time)

    Japan Standard Time(JST) is 09:00 hours ahead of Coordinated Universal(UTC) Time.This timezone is used during standard time in: Asia

    Typical City of JST (Japan Standard Time)

    Japan - Tokyo (All Year)