Where and When is IRKST Observed? This time zone is no longer in use, but some locations may observe the same UTC offset (local time) under a different name.

Other Time Zones in UTC +9

Some time zones exist that have the same offset as IRKST, but can be found under a different name:

• AWDT – Australian Western Daylight Time
• CHOST – Choibalsan Summer Time
• I – India Time Zone
• JST – Japan Standard Time
• KST – Korea Standard Time
• PWT – Palau Time
• TLT – East Timor Time
• ULAST – Ulaanbaatar Summer Time
• WIT – Eastern Indonesian Time
• YAKT – Yakutsk Time

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