Hamhung to IRKST Time Converter

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Hamhung
North KoreaKST
UTC+9
12am
3am
6am
9am
12pm
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6pm
9pm
IRKT/IRKST
Irkutsk Time
UTC+8
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IRKST is not used on this date.

This converter uses IRKT (UTC+8), as in Irkutsk.

Keep IRKST (UTC+9)

Quick answers

Selected conversion

9:00 pm21:00 KST (UTC+9), Nov 9, 2026 = 8:00 pm20:00 IRKT (UTC+8), Nov 9, 2026

Hamhŭng is 1 hour ahead of IRKT.

How the time difference changes

Hamhung is 1 hour ahead of IRKT year-round.

Working hours of 9:00 am to 6:00 pm in Hamhung correspond to 8:00 am to 5:00 pm in IRKT.Working hours of 09:00 to 18:00 in Hamhung correspond to 08:00 to 17:00 in IRKT.

Compare Hamhung time with IRKST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

KST (Korea Standard Time) is 1 hour ahead of Irkutsk Time.
9:00 pm21:00 in Hamhung, North Korea is 8:00 pm20:00 in IRKT

Hamhŭng to IRKT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Hamhŭng which corresponds to 9am-5pm09:00-17:00 in IRKT.

9:00 pm21:00 KST (Korea Standard Time) (Hamhung, North Korea). Offset UTC +9:00 hours
8:00 pm20:00 Irkutsk Time (IRKT). Offset UTC +8:00 hours

9:00 pm21:00 Hamhung, North Korea / 8:00 pm20:00 IRKT

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Hourly time comparison
Hamhung, North KoreaIRKT
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23:00 previous day
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Hamhŭng Time Zone and Facts

Time Zone

Abbreviation / Offset
KST – Korea Standard Time, UTC+9 (no daylight saving time)

Hamhŭng Facts

Country
North Korea
Alternative Names
Hamheung, Hamhung, Hamhungas, Hamhungo, Hamhŭng, Hienhing, Kanko, Kankō, hamheung, hamheungsi, xian xing shi, 咸興市, 함흥, 함흥시
Population
559,056
Currency
Won (KPW)
Geographic Coordinates
39° 55' N Latitude / 127° 32' E Longitude
International Dialing Code
+850
More About Hamhŭng
Hamhŭng local time and city facts

Irkutsk Summer Time

Offset: IRKST is 9 hours ahead of Greenwich Mean Time (GMT).

IRKST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for IRKST
  • I - short form of 'India'
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • 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