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.
Alaska, USA
AKST

Time Difference

Australian Central Standard Time is 18 hours and 30 minutes ahead of AKST (Alaska Standard Time)
11:30 am11:30 in ACST is 5:00 pm17:00 in Sterling, AK, USA

ACST to Sterling call time
Best time for a conference call or a meeting is between 10pm-12pm in ACST which corresponds to 3:30am-5:30am in Sterling

11:30 am11:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
5:00 pm17:00 AKST (Alaska Standard Time) (Sterling, AK, USA). Offset UTC -9:00 hours

11:30 am11:30 ACST / 5:00 pm17:00 Sterling, AK, USA

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

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

Sterling Information

Time Zone

Abbreviation / Name
AKST - Alaska Standard Time
AKDT - Alaska Daylight Time
UTC / GMT Offset
-9:00 hours during Alaska Standard Time, currently in use.
-8:00 hours during Alaska Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Sterling Facts

Country
USA
State
Alaska
Alternative Names
Naptowne, Sterling, Стерлинг
Population
5,617
Currency
Dollar (USD)
Geographic Coordinates
60° 32' N Latitude / 150° 45' W Longitude
International Dialing Code
+1