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 29, 2026 = 9:30 pm21:30 ACST (UTC+9:30), Oct 29, 2026

ACDT is 1 hour ahead of Palmerston.

How the time difference changes

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

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

Compare ACDT time with Palmerston 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 Palmerston, Australia

ACDT to Palmerston 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 Palmerston

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

10:30 pm22:30 ACDT / 9:30 pm21:30 Palmerston, Australia

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

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

Palmerston Time Zone and Facts

Time Zone

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

Palmerston Facts

Country
Australia
Alternative Names
Palmerston, pa mo si dun, Палмерстон, پالمرسٹون, პალმერსტონი, 帕默斯頓
Population
33,695
Currency
Dollar (AUD)
Geographic Coordinates
12° 29' S Latitude / 130° 58' E Longitude
International Dialing Code
+61