Updating current time…
CHOST
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6pm
9pm
CHOST is not used on this date
This converter keeps CHOST at UTC+9. Choibalsan uses CHOT (UTC+8) on this date. Open the CHOT converter, or choose Baruun Urt for city-specific time.
North KoreaKST
UTC+9
same time
12am
3am
6am
9am
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6pm
9pm

Quick answers

Selected conversion

9:00 pm21:00 CHOST (UTC+9), Oct 15, 2026 = 9:00 pm21:00 KST (UTC+9), Oct 15, 2026

CHOST and Hamhŭng have the same local time.

How the time difference changes

CHOST and Hamhung have the same time year-round.

Working hours of 9:00 am to 6:00 pm in CHOST correspond to 9:00 am to 6:00 pm in Hamhung.Working hours of 09:00 to 18:00 in CHOST correspond to 09:00 to 18:00 in Hamhung.

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

Time Difference

Choibalsan Summer Time and KST (Korea Standard Time) have the same local time.
9:00 pm21:00 in CHOST is 9:00 pm21:00 in Hamhung, North Korea

CHOST to Hamhŭng call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in CHOST which corresponds to 9am-6pm09:00-18:00 in Hamhŭng

9:00 pm21:00 Choibalsan Summer Time (CHOST). Offset UTC +9:00 hours
9:00 pm21:00 KST (Korea Standard Time) (Hamhung, North Korea). Offset UTC +9:00 hours

9:00 pm21:00 CHOST / 9:00 pm21:00 Hamhung, North Korea

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
CHOSTHamhung, North Korea
12:00am
1:00am
2:00am
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4:00am
5:00am
6:00am
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8:00am
9:00am
10:00am
11:00am
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5:00pm
6:00pm
7:00pm
8:00pm
9:00pm
10:00pm
11:00pm
00:00
01:00
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Choibalsan Summer Time

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

CHOST 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 CHOST
  • 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

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