Updating current time…
ACDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AustraliaACST
UTC+9:30
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

10:30 pm22:30 ACDT (UTC+10:30), Oct 31, 2026 = 9:30 pm21:30 ACST (UTC+9:30), Oct 31, 2026

ACDT is 1 hour ahead of Alice Springs.

How the time difference changes

Depending on seasonal clock changes, ACST and Alice Springs have the same time or ACDT is 1 hour ahead of Alice Springs.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in ACST correspond to 9:00 am to 6:00 pm in Alice Springs or working hours of 9:00 am to 6:00 pm in ACDT correspond to 8:00 am to 5:00 pm in Alice Springs.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in ACST correspond to 09:00 to 18:00 in Alice Springs or working hours of 09:00 to 18:00 in ACDT correspond to 08:00 to 17:00 in Alice Springs.

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

Time Difference

Australian Central Daylight Time is 1 hour ahead of ACST (Australian Central Standard Time).
10:30 pm22:30 in ACDT is 9:30 pm21:30 in Alice Springs, Australia

ACDT to Alice Springs call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in ACDT which corresponds to 9am-5pm09:00-17:00 in Alice Springs

10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
9:30 pm21:30 ACST (Australian Central Standard Time) (Alice Springs, Australia). Offset UTC +9:30 hours

10:30 pm22:30 ACDT / 9:30 pm21:30 Alice Springs, Australia

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Hourly time comparison
ACDTAlice Springs, Australia
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Australian Central Daylight Time

Offset: ACDT is 10 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the ACDT time zone is Adelaide in Australia, with about 1.469 million people. Other major cities in this time zone include Mount Gambier, Mount Barker, Whyalla, Gawler.

Map of the areas on Australian Central Daylight Time (ACDT)
ACDT part of the year

Today all shaded areas are on ACDT.

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

123456789101112Start: Australian Central Daylight Time (ACDT) started on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00. Daylight saving starts annually on the first Sunday of October.

123456789101112End: Australian Central Daylight Time (ACDT) ends on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.

See Australia daylight saving time and upcoming clock changes worldwide.

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 an offset of ten hours and thirty minutes 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

Alice Springs Time Zone and Facts

Time Zone

Abbreviation / Offset
ACST – Australian Central Standard Time, UTC+9:30 (no daylight saving time)

Alice Springs Facts

Country
Australia
Alternative Names
ASP, Alice Springs, Alice Springs Region, Alis Springs, Alis-Springs, Alisspringsa, Elis Springsas, Springs, Stuart, aelliseuseupeulingseu, ai li si ping, ai li si quan, alys aspryngz, arisusupuringusu, ayls sprngz, Алис Спрингс, Алис-Спрингс, Аліс-Спрінгс, אליס ספרינגס, آلیس اسپرینگز, ایلس سپرنگز, ॲलिस स्प्रिंग्ज, ალის-სპრინგსი, アリススプリングス, 愛麗斯泉, 愛麗絲坪, 앨리스스프링스
Population
25,912
Currency
Dollar (AUD)
Geographic Coordinates
23° 41' S Latitude / 133° 53' E Longitude
International Dialing Code
+61