UTC to ACST Converter
Time Difference
Universal Time Coordinated is 9 hours and 30 minutes behind Australian Central Standard Time
5:30 pm17:30 in UTC is 3:00 am03:00 in ACST
UTC to ACST call time
Best time for a conference call or a meeting is between 8am-10am in UTC which corresponds to 5:30pm-7:30pm in ACST
5:30 pm17:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
3:00 am03:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
5:30 pm17:30 UTC / 3:00 am03:00 ACST
| UTC | ACST |
|---|---|
| 12am (midnight) | 9:30 am |
| 1am | 10:30 am |
| 2am | 11:30 am |
| 3am | 12:30 pm |
| 4am | 1:30 pm |
| 5am | 2:30 pm |
| 6am | 3:30 pm |
| 7am | 4:30 pm |
| 8am | 5:30 pm |
| 9am | 6:30 pm |
| 10am | 7:30 pm |
| 11am | 8:30 pm |
| 12pm (noon) | 9:30 pm |
| 1pm | 10:30 pm |
| 2pm | 11:30 pm |
| 3pm | 12:30 am |
| 4pm | 1:30 am |
| 5pm | 2:30 am |
| 6pm | 3:30 am |
| 7pm | 4:30 am |
| 8pm | 5:30 am |
| 9pm | 6:30 am |
| 10pm | 7:30 am |
| 11pm | 8:30 am |
| 0:00 | 9:30 |
| 1:00 | 10:30 |
| 2:00 | 11:30 |
| 3:00 | 12:30 |
| 4:00 | 13:30 |
| 5:00 | 14:30 |
| 6:00 | 15:30 |
| 7:00 | 16:30 |
| 8:00 | 17:30 |
| 9:00 | 18:30 |
| 10:00 | 19:30 |
| 11:00 | 20:30 |
| 12:00 | 21:30 |
| 13:00 | 22:30 |
| 14:00 | 23:30 |
| 15:00 | 0:30 |
| 16:00 | 1:30 |
| 17:00 | 2:30 |
| 18:00 | 3:30 |
| 19:00 | 4:30 |
| 20:00 | 5:30 |
| 21:00 | 6:30 |
| 22:00 | 7:30 |
| 23:00 | 8:30 |
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Australian Central Standard Time
Offset: ACST is 9 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 ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: Australian Central Standard Time (ACST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Central Standard Time (ACST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
ACST representations, usage and related time zones
- +0930 - basic
- +09:30 - extended
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna