ACST to SAST Converter
Time Difference
Australian Central Standard Time is 7 hours and 30 minutes ahead of South Africa Standard Time
12:30 pm12:30 in ACST is 5:00 am05:00 in SAST
ACST to SAST call time
Best time for a conference call or a meeting is between 3:30pm-6pm in ACST which corresponds to 8am-10:30am in SAST
12:30 pm12:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
5:00 am05:00 South Africa Standard Time (SAST). Offset UTC +2:00 hours
12:30 pm12:30 ACST / 5:00 am05:00 SAST
ACST | SAST |
---|---|
12am (midnight) | 4:30 pm |
1am | 5:30 pm |
2am | 6:30 pm |
3am | 7:30 pm |
4am | 8:30 pm |
5am | 9:30 pm |
6am | 10:30 pm |
7am | 11:30 pm |
8am | 12:30 am |
9am | 1:30 am |
10am | 2:30 am |
11am | 3:30 am |
12pm (noon) | 4:30 am |
1pm | 5:30 am |
2pm | 6:30 am |
3pm | 7:30 am |
4pm | 8:30 am |
5pm | 9:30 am |
6pm | 10:30 am |
7pm | 11:30 am |
8pm | 12:30 pm |
9pm | 1:30 pm |
10pm | 2:30 pm |
11pm | 3:30 pm |
0:00 | 16:30 |
1:00 | 17:30 |
2:00 | 18:30 |
3:00 | 19:30 |
4:00 | 20:30 |
5:00 | 21:30 |
6:00 | 22:30 |
7:00 | 23:30 |
8:00 | 0:30 |
9:00 | 1:30 |
10:00 | 2:30 |
11:00 | 3:30 |
12:00 | 4:30 |
13:00 | 5:30 |
14:00 | 6:30 |
15:00 | 7:30 |
16:00 | 8:30 |
17:00 | 9:30 |
18:00 | 10:30 |
19:00 | 11:30 |
20:00 | 12:30 |
21:00 | 13:30 |
22:00 | 14:30 |
23:00 | 15:30 |
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
South Africa Standard Time
Offset: SAST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Africa
Countries: It is used in following countries: Lesotho, Eswatini (Swaziland), South Africa
Principal Cities: The largest city in the SAST timezone is Cape Town from South Africa with population about 3.433 million people. Other major cities in the area are Durban, Johannesburg, Soweto, Pretoria
Daylight Saving: South Africa Standard Time (SAST) is not adjusted for daylight saving therefore SAST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, South Africa Standard Time remains the same

SAST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.
- Bravo - Military abbreviation for SAST
- B - short form of 'Bravo'
- Africa/Johannesburg
- Africa/Maseru
- Africa/Mbabane
- CEST - Central European Summer Time
- EET - Eastern European Time
- MESZ - Mitteleuropäische Sommerzeit
- B - Bravo Time Zone
- CAT - Central Africa Time
- IST - Israel Standard Time
- SAST - South Africa Standard Time
- WAST - West Africa Summer Time