Updating current time…
ChST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AustraliaACST
UTC+9:30
30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

10:00 pm22:00 ChST (UTC+10), Oct 29, 2026 = 9:30 pm21:30 ACST (UTC+9:30), Oct 29, 2026

ChST is 30 minutes ahead of Palmerston.

How the time difference changes

ChST is 30 minutes ahead of Palmerston year-round.

Working hours of 9:00 am to 6:00 pm in ChST correspond to 8:30 am to 5:30 pm in Palmerston.Working hours of 09:00 to 18:00 in ChST correspond to 08:30 to 17:30 in Palmerston.

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

Time Difference

Chamorro Standard Time is 30 minutes ahead of ACST (Australian Central Standard Time).
10:00 pm22:00 in ChST is 9:30 pm21:30 in Palmerston, Australia

ChST to Palmerston call time
Best time for a conference call or a meeting is between 9:30am-6pm09:30-18:00 in ChST which corresponds to 9am-5:30pm09:00-17:30 in Palmerston

10:00 pm22:00 Chamorro Standard Time (ChST). Offset UTC +10:00 hours
9:30 pm21:30 ACST (Australian Central Standard Time) (Palmerston, Australia). Offset UTC +9:30 hours

10:00 pm22:00 ChST / 9:30 pm21:30 Palmerston, Australia

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Hourly time comparison
ChSTPalmerston, Australia
11:30pm previous day
12:30am
1:30am
2:30am
3:30am
4:30am
5:30am
6:30am
7:30am
8:30am
9:30am
10:30am
11:30am
12:30pm
1:30pm
2:30pm
3:30pm
4:30pm
5:30pm
6:30pm
7:30pm
8:30pm
9:30pm
10:30pm
23:30 previous day
00:30
01:30
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Chamorro Standard Time

Offset: ChST is 10 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Guam, Northern Mariana Islands

Principal Cities: The largest city in the ChST time zone is Saipan in the Northern Mariana Islands, with about 48,220 people. Other major cities in this time zone include Dededo Village, Yigo Village, Tamuning-Tumon-Harmon Village, Mangilao Village.

Daylight Saving: Clocks in Chamorro Standard Time (ChST) do not change for daylight saving time, so ChST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

ChST 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 an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for ChST
  • K - short form of 'Kilo'
IANA/Olson: Reflects ChST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Pacific/Guam
  • Pacific/Saipan
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

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