Updating current time…
Northern Mariana IslandsChST
UTC+10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ACDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

10:00 pm22:00 ChST (UTC+10), Oct 16, 2026 = 10:30 pm22:30 ACDT (UTC+10:30), Oct 16, 2026

Saipan is 30 minutes behind ACDT.

How the time difference changes

Depending on seasonal clock changes, Saipan is 30 minutes ahead of ACST or Saipan is 30 minutes behind ACDT.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in Saipan correspond to 8:30 am to 5:30 pm in ACST or working hours of 9:00 am to 6:00 pm in Saipan correspond to 9:30 am to 6:30 pm in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in Saipan correspond to 08:30 to 17:30 in ACST or working hours of 09:00 to 18:00 in Saipan correspond to 09:30 to 18:30 in ACDT.

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

Time Difference

ChST (Chamorro Standard Time) is 30 minutes behind Australian Central Daylight Time.
10:00 pm22:00 in Saipan, Northern Mariana Islands is 10:30 pm22:30 in ACDT

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

10:00 pm22:00 ChST (Chamorro Standard Time) (Saipan, Northern Mariana Islands). Offset UTC +10:00 hours
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours

10:00 pm22:00 Saipan, Northern Mariana Islands / 10:30 pm22:30 ACDT

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Hourly time comparison
Saipan, Northern Mariana IslandsACDT
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
11:30pm
00:30
01:30
02:30
03:30
04:30
05:30
06:30
07:30
08:30
09:30
10:30
11:30
12:30
13:30
14:30
15:30
16:30
17:30
18:30
19:30
20:30
21:30
22:30
23:30

Saipan Time Zone and Facts

Time Zone

Abbreviation / Offset
ChST – Chamorro Standard Time, UTC+10 (no daylight saving time)

Saipan Facts

Country
Northern Mariana Islands
Alternative Names
SPN, Saipan, Sajpan, saipan, Сайпан, 사이판
Population
48,220
Currency
Dollar (USD)
Geographic Coordinates
15° 12' N Latitude / 145° 45' E Longitude

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