Updating current time…
ACT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
KST
UTC+8:30
30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
KST at UTC+8:30 is not used on this date
This converter keeps KST at UTC+8:30. Pyongyang uses KST (UTC+9) on this date. Choose Pyongyang, Hamhung, or Nampo for city-specific time.

Quick answers

Selected conversion

8:00 pm20:00 ACT (UTC+8), Oct 17, 2026 = 8:30 pm20:30 KST (UTC+8:30), Oct 17, 2026

ACT is 30 minutes behind KST.

ACT and KST examples

These examples always use ACT (UTC+8) and KST (UTC+8:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

ACT is 30 minutes behind KST.

How the time difference changes

ACT is 30 minutes behind KST Pyongyang year-round.

Working hours of 9:00 am to 6:00 pm in ACT correspond to 9:30 am to 6:30 pm in KST Pyongyang.Working hours of 09:00 to 18:00 in ACT correspond to 09:30 to 18:30 in KST Pyongyang.

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

Time Difference

ASEAN Common Time is 30 minutes behind Pyongyang Time.
8:00 pm20:00 in ACT is 8:30 pm20:30 in KST

ACT to KST call time
Best time for a conference call or a meeting is between 9am-5:30pm09:00-17:30 in ACT which corresponds to 9:30am-6pm09:30-18:00 in KST

8:00 pm20:00 ASEAN Common Time (ACT). Offset UTC +8:00 hours
8:30 pm20:30 Pyongyang Time (KST). Offset UTC +8:30 hours

8:00 pm20:00 ACT / 8:30 pm20:30 KST

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
ACTKST
12:30am
1:30am
2:30am
3:30am
4:30am
5:30am
6:30am
7:30am
8:30am
9:30am
10:30am
11:30am
12:30pm
1:30pm
2:30pm
3:30pm
4:30pm
5:30pm
6:30pm
7:30pm
8:30pm
9:30pm
10:30pm
11:30pm
00:30
01:30
02:30
03:30
04:30
05:30
06:30
07:30
08:30
09:30
10:30
11:30
12:30
13:30
14:30
15:30
16:30
17:30
18:30
19:30
20:30
21:30
22:30
23:30

ASEAN Common Time

Offset: ACT is 8 hours ahead of Greenwich Mean Time (GMT).

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

ACT 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 ACT
  • 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

Pyongyang Time

Offset: KST is 8 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

KST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0830 - basic
  • +08:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0830 - sign character (+) followed by a four digit time providing hours (08) and minutes (30) of the offset. Indicates an offset of eight hours and thirty minutes to the east of the zero meridian.
KST Abbreviation: Several time zones share KST abbreviation and it could refer to these time zones
  • Korea Standard Time - UTC +9
  • Pyongyang Time - UTC +8:30