ACST/ACDT
Australian Central Standard Time
GMT +9:30
ACDT automatically adjusted to ACST time zone, that is in use
Hawaii, USA
HST

Time Difference

Australian Central Standard Time is 19 hours and 30 minutes ahead of HST (Hawaii Standard Time)
11:00 pm23:00 in ACST is 3:30 am03:30 in Honolulu, HI, USA

ACDT to Honolulu call time
Best time for a conference call or a meeting is between 11pm-1pm in ACDT which corresponds to 2:30am-4:30am in Honolulu

11:00 pm23:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
3:30 am03:30 HST (Hawaii Standard Time) (Honolulu, HI, USA). Offset UTC -10:00 hours

11:00 pm23:00 ACST / 3:30 am03:30 Honolulu, HI, USA

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

Australian Central Daylight Time

Offset: ACDT is 10 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 ACDT timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Adelaide Hills, Mount Gambier, Morphett Vale, Prospect

ACDT Time Zone Geo Map
ACDT timezone map

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Australian Central Standard Time (ACST).

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Australian Central Daylight Time (ACDT) has ended on Sunday, April 7, 2024 at 3:00 am local time and clocks were set one hour back to Sunday, April 7, 2024, 2:00 am local standard time instead. Daylight saving ends annually the on first Sunday of April

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Australian Central Daylight Time (ACDT) starts on Sunday, October 6, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, October 6, 2024, 3:00 am. Daylight saving starts annually the on first Sunday of October

ACDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates ten hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/South
  • Australia/Yancowinna
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time

Honolulu Information

Time Zone

Abbreviation / Name
HST - Hawaii Standard Time
UTC / GMT Offset
-10:00 hours during Hawaii Standard Time, currently in use.

Honolulu Facts

Country
USA
State
Hawaii
Alternative Names
Anorourou, Chonoloulou, Gana-Rura, Gana-ruru, Ganalulu, Ganaruro, Ganaruru, Gonolulu, HNL, Hana-Rura, Hana-Ruru, Hana-ruru, Honoloulou, Honolulu, Honolulú, Honolúlú, Honoruru, Khonolulu, Than-hiong-san, Thàn-hiông-sân, hanalulu, hanululu, honalulu, honollullu, honolulu, honoruru, hwnwlwlw, tan xiang shan, Χονολουλού, Ганалулу, Гонолулу, Хонолулу, Һонолулу, Հոնոլուլու, האנאלולו, הונולולו, هونولولو, ہwnwlwlw ہwayy, ہونولولو, ہونولولو، ہوائی, हानलूलू, होनालुलु, होनोलुलु, होनोलूलू, হনলুলু, হনুলুলু, ହନଲୁଲୁ, ஹொனலுலு, ಹೊನೊಲುಲು, โฮโนลูลู, ཧོ་ནོ་ལུ་ལུ།, ဟိုနိုလူလူမြို့, ჰონოლულუ, ሆኖሉሉ, ホノルル, 檀香山, 호놀룰루
Population
371,657
Currency
Dollar (USD)
Geographic Coordinates
21° 18' N Latitude / 157° 51' W Longitude
International Dialing Code
+1