ACDT to SST Sst
Time Difference
Australian Central Standard Time is 1 hour and 30 minutes ahead of Singapore Standard Time
11:00 pm23:00 in ACST is 9:30 pm21:30 in SST
ACDT to SST call time
Best time for a conference call or a meeting is between 10:30am-6pm in ACDT which corresponds to 8am-3:30pm in SST
11:00 pm23:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
9:30 pm21:30 Singapore Standard Time (SST). Offset UTC +8:00 hours
11:00 pm23:00 ACST / 9:30 pm21:30 SST
ACST | SST |
---|---|
12am (midnight) | 10:30 pm |
1am | 11:30 pm |
2am | 12:30 am |
3am | 1:30 am |
4am | 2:30 am |
5am | 3:30 am |
6am | 4:30 am |
7am | 5:30 am |
8am | 6:30 am |
9am | 7:30 am |
10am | 8:30 am |
11am | 9:30 am |
12pm (noon) | 10:30 am |
1pm | 11:30 am |
2pm | 12:30 pm |
3pm | 1:30 pm |
4pm | 2:30 pm |
5pm | 3:30 pm |
6pm | 4:30 pm |
7pm | 5:30 pm |
8pm | 6:30 pm |
9pm | 7:30 pm |
10pm | 8:30 pm |
11pm | 9:30 pm |
0:00 | 22:30 |
1:00 | 23:30 |
2:00 | 0:30 |
3:00 | 1:30 |
4:00 | 2:30 |
5:00 | 3:30 |
6:00 | 4:30 |
7:00 | 5:30 |
8:00 | 6:30 |
9:00 | 7:30 |
10:00 | 8:30 |
11:00 | 9:30 |
12:00 | 10:30 |
13:00 | 11:30 |
14:00 | 12:30 |
15:00 | 13:30 |
16:00 | 14:30 |
17:00 | 15:30 |
18:00 | 16:30 |
19:00 | 17:30 |
20:00 | 18:30 |
21:00 | 19:30 |
22:00 | 20:30 |
23:00 | 21:30 |
Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACDT timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Adelaide Hills, Mount Gambier, Morphett Vale, Prospect

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Australian Central Standard Time (ACST).
End: Australian Central Daylight Time (ACDT) has ended on Sunday, April 2, 2023 at 3:00 am local time and clocks were set one hour back to Sunday, April 2, 2023, 2:00 am local standard time instead. Daylight saving ends annually the on first Sunday of April
Start: Australian Central Daylight Time (ACDT) starts on Sunday, October 1, 2023 at 2:00 am local time and clocks are set one hour forward to Sunday, October 1, 2023, 3:00 am. Daylight saving starts annually the on first Sunday of October
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 ten hour and thirty minutes time differences 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
Singapore Standard Time
Offset: SST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
SST representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
- Hotel - Military abbreviation for SST
- H - short form of 'Hotel'
- Samoa Standard Time - UTC -11
- Singapore Standard Time - UTC +8
- Samara Standard Time - UTC +4
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time