Updating current time…
North Korea
KST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ULAT
Ulaanbaatar Time
GMT +8
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 pm21:00 KST (UTC+9), Oct 8, 2026 = 8:00 pm20:00 ULAT (UTC+8), Oct 8, 2026

Hamhŭng is 1 hour ahead of ULAT.

How the time difference changes

Hamhung is 1 hour ahead of ULAT year-round.

Working hours of 9:00 am to 5:00 pm in Hamhung correspond to 8:00 am to 4:00 pm in ULAT.Working hours of 09:00 to 17:00 in Hamhung correspond to 08:00 to 16:00 in ULAT.

Compare Hamhung time with ULAT 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 Ulaanbaatar Time.
9:00 pm21:00 in Hamhung, North Korea is 8:00 pm20:00 in ULAT

Hamhŭng to ULAT call time
Best time for a conference call or a meeting is between 10am-5pm10:00-17:00 in Hamhŭng which corresponds to 9am-4pm09:00-16:00 in ULAT

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

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

Hamhung, North KoreaULAT
12:00am11:00pm
1:00am12:00am
2:00am1:00am
3:00am2:00am
4:00am3:00am
5:00am4:00am
6:00am5:00am
7:00am6:00am
8:00am7:00am
9:00am8:00am
10:00am9:00am
11:00am10:00am
12:00pm11:00am
1:00pm12:00pm
2:00pm1:00pm
3:00pm2:00pm
4:00pm3:00pm
5:00pm4:00pm
6:00pm5:00pm
7:00pm6:00pm
8:00pm7:00pm
9:00pm8:00pm
10:00pm9:00pm
11:00pm10:00pm
00:0023:00
01:0000:00
02:0001:00
03:0002:00
04:0003:00
05:0004:00
06:0005:00
07:0006:00
08:0007:00
09:0008:00
10:0009:00
11:0010:00
12:0011:00
13:0012:00
14:0013:00
15:0014:00
16:0015:00
17:0016:00
18:0017:00
19:0018:00
20:0019:00
21:0020:00
22:0021:00
23:0022:00

Hamhŭng Information

Time Zone

Abbreviation / Name
GMT+9 - Korean Standard Time
UTC / GMT Offset
+9:00 hours during Korean Standard Time, currently in use.

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

Ulaanbaatar Time

Offset: ULAT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Mongolia

Principal Cities: The largest city in the ULAT time zone is Ulaanbaatar in Mongolia, with about 844,818 people. Other major cities in this time zone include Erdenet, Darhan, Hovd, Murun kuren.

Daylight Saving: Clocks in Ulaanbaatar Time (ULAT) do not change for daylight saving time, so ULAT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

ULAT Time Zone Geo Map
ULAT timezone map

ULAT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for ULAT
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time