Arizona, USA
MST
ACST
Australian Central Standard Time
GMT +9:30

Time Difference

MST (Mountain Standard Time) is 16 hours and 30 minutes behind Australian Central Standard Time
7:30 am07:30 in Sierra Vista, AZ, USA is 12:00 am00:00 in ACST

Sierra Vista to ACST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in Sierra Vista which corresponds to 9pm-11pm in ACST

7:30 am07:30 MST (Mountain Standard Time) (Sierra Vista, AZ, USA). Offset UTC -7:00 hours
12:00 am00:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours

7:30 am07:30 Sierra Vista, AZ, USA / 12:00 am00:00 ACST

Sierra Vista, AZ, USA ACST
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

Sierra Vista Information

Time Zone

Abbreviation / Name
MST - Mountain Standard Time
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.

Sierra Vista Facts

Country
USA
State
Arizona
Alternative Names
FHU, S'erra-Vista, Siera Vista, Sijera Vista, shierabisuta, siyara bhista, syra wysta aryzwna, syyra fysta, xie la wei si ta, Сиера Виста, Сијера Виста, Сьерра-Виста, Сьєрра-Віста, سييرا فيستا, سیرا وسٹا، ایریزونا, سیرا ویستا، آریزونا, सीयरा भिस्ता, シエラビスタ, 谢拉维斯塔
Population
43,355
Currency
Dollar (USD)
Geographic Coordinates
31° 33' N Latitude / 110° 18' W Longitude
International Dialing Code
+1

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

ACST Time Zone Geo Map
ACST timezone map

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).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Central Standard Time (ACST) started on Sunday, April 7, 2024 at 3:00 am local time and clocks were set one hour back to Sunday, April 7, 2024, 2:00 am. Standard time starts annually the on first Sunday of April.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Central Standard Time (ACST) ends on Sunday, October 6, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, October 6, 2024, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.

ACST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0930 - basic
  • +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/Darwin
  • Australia/North
  • Australia/South
  • Australia/Yancowinna