• MST Time to IRST Time Converter

    MST = UTC - 07:00

    05:14:14

    Saturday, December 13, 2025

    IRST = UTC + 03:30

    15:44:14

    Saturday, December 13, 2025

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

    MST(Mountain Standard Time)

    Mountain Standard Time(MST) is 07:00 hours behind Coordinated Universal(UTC) Time.This timezone is used during standard time in: North America

    Typical City of MST (Mountain Standard Time)

    Canada - Edmonton (Winter)
    USA - Phoenix (All Year)

    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)