Saint Helena
GMT
ACST
Australian Central Standard Time
GMT +9:30
ACST is NOT in use by many locations
ACDT (Australian Central Daylight Time) is used instead. Switch to ACDT time zone or select one of the cities Adelaide, Darwin, Adelaide Hills) for automatic timezone change.

Time Difference

GMT () is 9 hours and 30 minutes behind Australian Central Standard Time
5:30 am05:30 in Edinburgh of the Seven Seas, Saint Helena is 3:00 pm15:00 in ACST

Edinburgh of the Seven Seas to ACST call time
Best time for a conference call or a meeting is between 8am-10am in Edinburgh of the Seven Seas which corresponds to 5:30pm-7:30pm in ACST

5:30 am05:30 GMT () (Edinburgh of the Seven Seas, Saint Helena). Offset UTC 0:00 hours
3:00 pm15:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours

5:30 am05:30 Edinburgh of the Seven Seas, Saint Helena / 3:00 pm15:00 ACST

Edinburgh of the Seven Seas, Saint Helena 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

Edinburgh of the Seven Seas Information

Time Zone

Abbreviation / Name
GMT -
UTC / GMT Offset
0:00 hours during , currently in use.

Edinburgh of the Seven Seas Facts

Country
Saint Helena
Alternative Names
Edimburgo de los Siete Mares, Edimburgo dos Sete Mares, Edinburg Sedam Mora, Edinburg semi moriv, Edinburga Septinas Juras, Edinburga Septiņās Jūrās, Edinburgas, Edinburgh, Edinburgh-of-the-Seven-Seas, Ehdinburg, Ehdynburg-Sjami-Morau, Eideann na Seachd Muir, Karedin an Seyth Moryow, Settlement of Edinburgh, Tristan Island Settlement, Tristan Settlement, Yeddi dəniz Edinburqu, qi hai ai ding bao, xe din beirk xxf dexa se wen sis, Èideann na Seachd Muir, Единбург Седам Мора, Единбург семи морів, Эдинбург, Эдынбург-Сямі-Мораў, Յոթ ծովերի Էդինբուրգ, אדינבורו על שבעת הימים, سات سمندر کا ایڈنبرا, เอดินเบิร์กออฟเดอะเซเวนซีส์, エディンバラ・オブ・ザ・セブン・シーズ, 七海爱丁堡
Population
271
Currency
Pound (SHP)
Geographic Coordinates
37° 04' S Latitude / 12° 18' W Longitude
International Dialing Code
+290

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 time zone, 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 forward for one hour from 2am to 3amEnd: Australian Central Standard Time (ACST) has ended on Sunday, October 6, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, October 6, 2024, 3:00 am local daylight time instead. Standard time ends annually the on first Sunday of October.

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Central Standard Time (ACST) starts on Sunday, April 6, 2025 at 3:00 am local time and clocks are set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.

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