KDT
Korea Daylight Time
GMT +10
ACST
Australian Central Standard Time
GMT +9:30
ACST is NOT in use by many locations
ACDT (Australian Central Daylight Time) is used instead. Switch to ACDT time zone or select one of the cities Adelaide, Darwin, Adelaide Hills) for automatic timezone change.

Time Difference

Korea Daylight Time is 0 hours and 30 minutes ahead of Australian Central Standard Time
8:00 pm20:00 in KDT is 7:30 pm19:30 in ACST

KDT to ACST call time
Best time for a conference call or a meeting is between 8:30am-6pm in KDT which corresponds to 8am-5:30pm in ACST

8:00 pm20:00 Korea Daylight Time (KDT). Offset UTC +10:00 hours
7:30 pm19:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours

8:00 pm20:00 KDT / 7:30 pm19:30 ACST

KDT ACST
12am (midnight) 11:30 pm
1am 12:30 am
2am 1:30 am
3am 2:30 am
4am 3:30 am
5am 4:30 am
6am 5:30 am
7am 6:30 am
8am 7:30 am
9am 8:30 am
10am 9:30 am
11am 10:30 am
12pm (noon) 11:30 am
1pm 12:30 pm
2pm 1:30 pm
3pm 2:30 pm
4pm 3:30 pm
5pm 4:30 pm
6pm 5:30 pm
7pm 6:30 pm
8pm 7:30 pm
9pm 8:30 pm
10pm 9:30 pm
11pm 10:30 pm
0:00 23:30
1:00 0:30
2:00 1:30
3:00 2:30
4:00 3:30
5:00 4:30
6:00 5:30
7:00 6:30
8:00 7:30
9:00 8:30
10:00 9:30
11:00 10:30
12:00 11:30
13:00 12:30
14:00 13:30
15:00 14:30
16:00 15:30
17:00 16:30
18:00 17:30
19:00 18:30
20:00 19:30
21:00 20:30
22:00 21:30
23:00 22:30

Korea Daylight Time

Offset: KDT is 10 hours ahead Greenwich Mean Time (GMT) and is used in Asia

KDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for KDT
  • K - short form of 'Kilo'
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

Australian Central Standard Time

Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston

ACST Time Zone Geo Map
ACST timezone map

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Central Standard Time (ACST) has ended on Sunday, October 6, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, October 6, 2024, 3:00 am local daylight time instead. Standard time ends annually the on first Sunday of October.

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Central Standard Time (ACST) starts on Sunday, April 6, 2025 at 3:00 am local time and clocks are set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.

ACST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0930 - basic
  • +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/Darwin
  • Australia/North
  • Australia/South
  • Australia/Yancowinna