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.
Portugal
AST

Time Difference

Australian Central Standard Time is 10 hours and 30 minutes ahead of AST (Azores Standard Time)
1:30 am01:30 in ACST is 3:00 pm15:00 in Ponta Delgada, Portugal

ACST to Ponta Delgada call time
Best time for a conference call or a meeting is between 6pm-8pm in ACST which corresponds to 7:30am-9:30am in Ponta Delgada

1:30 am01:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
3:00 pm15:00 AST (Azores Standard Time) (Ponta Delgada, Portugal). Offset UTC -1:00 hours

1:30 am01:30 ACST / 3:00 pm15:00 Ponta Delgada, Portugal

ACST Ponta Delgada, Portugal
12am (midnight) 1:30 pm
1am 2:30 pm
2am 3:30 pm
3am 4:30 pm
4am 5:30 pm
5am 6:30 pm
6am 7:30 pm
7am 8:30 pm
8am 9:30 pm
9am 10:30 pm
10am 11:30 pm
11am 12:30 am
12pm (noon) 1:30 am
1pm 2:30 am
2pm 3:30 am
3pm 4:30 am
4pm 5:30 am
5pm 6:30 am
6pm 7:30 am
7pm 8:30 am
8pm 9:30 am
9pm 10:30 am
10pm 11:30 am
11pm 12:30 pm
0:00 13:30
1:00 14:30
2:00 15:30
3:00 16:30
4:00 17:30
5:00 18:30
6:00 19:30
7:00 20:30
8:00 21:30
9:00 22:30
10:00 23:30
11:00 0:30
12:00 1:30
13:00 2:30
14:00 3:30
15:00 4:30
16:00 5:30
17:00 6:30
18:00 7:30
19:00 8:30
20:00 9:30
21:00 10:30
22:00 11:30
23:00 12:30

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

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

Ponta Delgada Information

Time Zone

Abbreviation / Name
AST - Azores Standard Time
AZOST - Azores Summer Time
UTC / GMT Offset
-1:00 hour during Azores Standard Time, currently in use.
0:00 hours during Azores Summer Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 12am to 1am Sunday, March 31, 2024 at 12:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 31, 2024, 1:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 1am to 12am Sunday, October 27, 2024 at 1:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 27, 2024, 12:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Ponta Delgada Facts

Country
Portugal
Alternative Names
PDL, Ponta Delgada, Ponta Delgada (Azores), Ponta Ntelgada, Ponta-Dehlgada, Ponta-Delgada, Pontae-Delgadae, bwnta dylghada, peng ta de er jia da, pontadelgada, pwnta dlgada, pwnth dlgdh, Πόντα Ντελγάδα, Понтæ-Делгадæ, Понта Делгада, Понта-Делгада, Понта-Дэлгада, פונטה דלגדה, بونتا ديلغادا, پونتا دلگادا, ปงตาแดลกาดา, პონტა-დელგადა, ポンタ・デルガダ, 蓬塔德爾加達, 폰타델가다
Population
20,056
Currency
Euro (EUR)
Geographic Coordinates
37° 44' N Latitude / 25° 40' W Longitude
International Dialing Code
+351