ChST to ACDT Converter
Quick answers
Selected conversion
10:00 pm22:00 ChST (UTC+10), Oct 8, 2026 = 10:30 pm22:30 ACDT (UTC+10:30), Oct 8, 2026
ChST is 30 minutes behind ACDT.
ChST and ACDT examples
These examples always use ChST (UTC+10) and ACDT (UTC+10:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
ChST is 30 minutes behind ACDT.
How the time difference changes
Depending on seasonal clock changes, ChST is 30 minutes ahead of ACST or ChST is 30 minutes behind ACDT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in ChST correspond to 8:30 am to 4:30 pm in ACST or working hours of 9:00 am to 5:00 pm in ChST correspond to 9:30 am to 5:30 pm in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in ChST correspond to 08:30 to 16:30 in ACST or working hours of 09:00 to 17:00 in ChST correspond to 09:30 to 17:30 in ACDT.
Compare ChST time with ACDT 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 behind Australian Central Daylight Time.
10:00 pm22:00 in ChST is 10:30 pm22:30 in ACDT
ChST to ACDT call time
Best time for a conference call or a meeting is between 9am-4:30pm09:00-16:30 in ChST which corresponds to 9:30am-5pm09:30-17:00 in ACDT
10:00 pm22:00 Chamorro Standard Time (ChST). Offset UTC +10:00 hours
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
10:00 pm22:00 ChST / 10:30 pm22:30 ACDT
| ChST | ACDT |
|---|---|
| 12:00am | 12:30am |
| 1:00am | 1:30am |
| 2:00am | 2:30am |
| 3:00am | 3:30am |
| 4:00am | 4:30am |
| 5:00am | 5:30am |
| 6:00am | 6:30am |
| 7:00am | 7:30am |
| 8:00am | 8:30am |
| 9:00am | 9:30am |
| 10:00am | 10:30am |
| 11:00am | 11:30am |
| 12:00pm | 12:30pm |
| 1:00pm | 1:30pm |
| 2:00pm | 2:30pm |
| 3:00pm | 3:30pm |
| 4:00pm | 4:30pm |
| 5:00pm | 5:30pm |
| 6:00pm | 6:30pm |
| 7:00pm | 7:30pm |
| 8:00pm | 8:30pm |
| 9:00pm | 9:30pm |
| 10:00pm | 10:30pm |
| 11:00pm | 11:30pm |
| 00:00 | 00:30 |
| 01:00 | 01:30 |
| 02:00 | 02:30 |
| 03:00 | 03:30 |
| 04:00 | 04:30 |
| 05:00 | 05:30 |
| 06:00 | 06:30 |
| 07:00 | 07:30 |
| 08:00 | 08:30 |
| 09:00 | 09:30 |
| 10:00 | 10:30 |
| 11:00 | 11:30 |
| 12:00 | 12:30 |
| 13:00 | 13:30 |
| 14:00 | 14:30 |
| 15:00 | 15:30 |
| 16:00 | 16:30 |
| 17:00 | 17:30 |
| 18:00 | 18:30 |
| 19:00 | 19:30 |
| 20:00 | 20:30 |
| 21:00 | 21:30 |
| 22:00 | 22:30 |
| 23:00 | 23:30 |
Chamorro Standard Time
Offset: ChST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Guam, Northern Mariana Islands
Principal Cities: The largest city in the ChST time zone is Saipan in 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
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +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.
- Kilo - Military abbreviation for ChST
- K - short form of 'Kilo'
- Pacific/Guam
- Pacific/Saipan
- 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
Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
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 Adelaide Hills, Mount Gambier, Morphett Vale, Broken Hill.
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).
Start: 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.
End: 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.
ACDT representations, usage and related time zones
- +1030 - basic
- +10:30 - extended
- +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.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/South
- Australia/Yancowinna
- ACDT - Australian Central Daylight Time
- LHST - Lord Howe Standard Time