ACST/ACDT
Australian Central Standard Time
GMT +9:30
ACDT automatically adjusted to ACST time zone, that is in use
Trinidad and Tobago
AST

Time Difference

Australian Central Standard Time is 13 hours and 30 minutes ahead of AST (Atlantic Standard Time)
9:00 am09:00 in ACST is 7:30 pm19:30 in Port of Spain, Trinidad and Tobago

ACDT to Port of Spain call time
Best time for a conference call or a meeting is between 8pm-10pm in ACDT which corresponds to 5:30am-7:30am in Port of Spain

9:00 am09:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
7:30 pm19:30 AST (Atlantic Standard Time) (Port of Spain, Trinidad and Tobago). Offset UTC -4:00 hours

9:00 am09:00 ACST / 7:30 pm19:30 Port of Spain, Trinidad and Tobago

ACST Port of Spain, Trinidad and Tobago
12am (midnight) 10:30 am
1am 11:30 am
2am 12:30 pm
3am 1:30 pm
4am 2:30 pm
5am 3:30 pm
6am 4:30 pm
7am 5:30 pm
8am 6:30 pm
9am 7:30 pm
10am 8:30 pm
11am 9:30 pm
12pm (noon) 10:30 pm
1pm 11:30 pm
2pm 12:30 am
3pm 1:30 am
4pm 2:30 am
5pm 3:30 am
6pm 4:30 am
7pm 5:30 am
8pm 6:30 am
9pm 7:30 am
10pm 8:30 am
11pm 9:30 am
0:00 10:30
1:00 11:30
2:00 12:30
3:00 13:30
4:00 14:30
5:00 15:30
6:00 16:30
7:00 17:30
8:00 18:30
9:00 19:30
10:00 20:30
11:00 21:30
12:00 22:30
13:00 23:30
14:00 0:30
15:00 1:30
16:00 2:30
17:00 3:30
18:00 4:30
19:00 5:30
20:00 6:30
21:00 7:30
22:00 8:30
23:00 9:30

Australian Central Daylight Time

Offset: ACDT is 10 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 ACDT timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Adelaide Hills, Mount Gambier, Morphett Vale, Prospect

ACDT Time Zone Geo Map
ACDT timezone map

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Australian Central Standard Time (ACST).

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Australian Central Daylight Time (ACDT) has ended 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 local standard time instead. Daylight saving ends annually the on first Sunday of April

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Australian Central Daylight Time (ACDT) starts 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. Daylight saving starts annually the on first Sunday of October

ACDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates ten hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/South
  • Australia/Yancowinna
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time

Port of Spain Information

Time Zone

Abbreviation / Name
AST - Atlantic Standard Time
UTC / GMT Offset
-4:00 hours during Atlantic Standard Time, currently in use.

Port of Spain Facts

Country
Trinidad and Tobago
Alternative Names
Acalquixohuayan Caxtillan, City of Port-of-Spain, POS, Po of Espay, Port of Spain, Port of Spein, Port of Speinas, Port of Spejn, Port of Speyn, Port oph Spein, Port ov Spejn, Port uf Spejn, Port-Of-Spejn, Port-au-Spain, Port-d'Espagne, Port-of-Spain, Port-of-Spein, Port-of-Spejn, Port-of-speyn, Porto Espana, Porto España, Portofspeina, Portospeno, Portu de Spania, Puerto Espana, Puerto España, Pò of Espay, bwrt awf sbyn, phxrt-xxf-spen, porata afa sapena, port ahp speyn, porta aba spena, porta opha spena, poteu obeu seupein, poteuobeuseupein, potoobusupein, prt aw aspayn, xi ban ya gang, Πορτ οφ Σπέιν, Πορτ-οφ-Σπέιν, Порт ов Спејн, Порт оф Спейн, Порт оф Спејн, Порт ъф Спейн, Порт-Оф-Спейн, Порт-оф-Спейн, פורט אוף ספיין, بورت أوف سبين, پرت آو اسپاین, پورٹ آف اسپین, पोर्ट ऑफ स्पेन, পোর্ট অব স্পেন, ਪੋਰਟ ਆਫ਼ ਸਪੇਨ, போர்ட் ஆஃப் ஸ்பெய்ன், പോർട്ട് ഓഫ് സ്പെയിൻ, พอร์ต-ออฟ-สเปน, པོ་རོ་ཊི་ཨོཕ་སི་པེ་ན།, პორტ-ოვ-სპეინი, ፖርት ኦፍ ስፔን, ポートオブスペイン, 西班牙港, 포트 오브 스페인, 포트오브스페인
Population
49,031
Currency
Dollar (TTD)
Geographic Coordinates
10° 40' N Latitude / 61° 31' W Longitude