Salt Lake City, UT, USA to ACST
Time Difference
MDT (Mountain Daylight Time) is 15 hours and 30 minutes behind Australian Central Standard Time
11:30 pm23:30 in Salt Lake City, UT, USA is 3:00 pm15:00 in ACST
Salt Lake City to ACST call time
Best time for a conference call or a meeting is between 5am-7am in Salt Lake City which corresponds to 8:30pm-10:30pm in ACST
11:30 pm23:30 MDT (Mountain Daylight Time) (Salt Lake City, UT, USA). Offset UTC -6:00 hours
3:00 pm15:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
11:30 pm23:30 Salt Lake City, UT, USA / 3:00 pm15:00 ACST
Salt Lake City, UT, USA | ACST |
---|---|
12am (midnight) | 3:30 pm |
1am | 4:30 pm |
2am | 5:30 pm |
3am | 6:30 pm |
4am | 7:30 pm |
5am | 8:30 pm |
6am | 9:30 pm |
7am | 10:30 pm |
8am | 11:30 pm |
9am | 12:30 am |
10am | 1:30 am |
11am | 2:30 am |
12pm (noon) | 3:30 am |
1pm | 4:30 am |
2pm | 5:30 am |
3pm | 6:30 am |
4pm | 7:30 am |
5pm | 8:30 am |
6pm | 9:30 am |
7pm | 10:30 am |
8pm | 11:30 am |
9pm | 12:30 pm |
10pm | 1:30 pm |
11pm | 2:30 pm |
0:00 | 15:30 |
1:00 | 16:30 |
2:00 | 17:30 |
3:00 | 18:30 |
4:00 | 19:30 |
5:00 | 20:30 |
6:00 | 21:30 |
7:00 | 22:30 |
8:00 | 23:30 |
9:00 | 0:30 |
10:00 | 1:30 |
11:00 | 2:30 |
12:00 | 3:30 |
13:00 | 4:30 |
14:00 | 5:30 |
15:00 | 6:30 |
16:00 | 7:30 |
17:00 | 8:30 |
18:00 | 9:30 |
19:00 | 10:30 |
20:00 | 11:30 |
21:00 | 12:30 |
22:00 | 13:30 |
23:00 | 14:30 |
Salt Lake City Information
Time Zone
HAR - Heure Avancée des Rocheuses
-6:00 hours during Heure Avancée des Rocheuses.


Salt Lake City Facts
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