Australia
AEDT
AST
Atlantic Standard Time
GMT -4

Time Difference

AEDT (Australian Eastern Daylight Time) is 15 hours ahead of Atlantic Standard Time
6:30 pm18:30 in Croydon, Australia is 3:30 am03:30 in AST

Croydon to AST call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in Croydon which corresponds to 5:30am-7:30am in AST

6:30 pm18:30 AEDT (Australian Eastern Daylight Time) (Croydon, Australia). Offset UTC +11:00 hours
3:30 am03:30 Atlantic Standard Time (AST). Offset UTC -4:00 hours

6:30 pm18:30 Croydon, Australia / 3:30 am03:30 AST

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

Croydon Information

Time Zone

Abbreviation / Name
AEDT - Australian Eastern Daylight Time
AEST - Australian Eastern Standard Time
UTC / GMT Offset
+11:00 hours during Australian Eastern Daylight Time, currently in use.
+10:00 hours during Australian Eastern Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, October 6, 2024 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 6, 2024, 3:00 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 3am to 2am Sunday, April 7, 2024 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 7, 2024, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Croydon Facts

Country
Australia
Alternative Names
Croydon
Population
26,502
Currency
Dollar (AUD)
Geographic Coordinates
37° 47' S Latitude / 145° 16' E Longitude
International Dialing Code
+61

Atlantic Standard Time

Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean

Countries: It is used in following countries: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, CuraƧao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)

Principal Cities: The largest city in the AST timezone is Santo Domingo from Dominican Republic with population about 2.202 million people. Other major cities in the area are Santiago de los Caballeros, Santo Domingo Oeste, San Juan, Halifax

Daylight Saving: Atlantic Standard Time (AST) is not adjusted for daylight saving therefore AST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Atlantic Standard Time remains the same

AST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for AST
  • Q - short form of 'Quebec'
IANA/Olson: Reflects AST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anguilla
  • America/Antigua
  • America/Aruba
  • America/Barbados
  • America/Blanc-Sablon
  • America/Curacao
  • America/Dominica
  • America/Glace_Bay
  • America/Goose_Bay
  • America/Grenada
  • America/Guadeloupe
  • America/Halifax
  • America/Kralendijk
  • America/Lower_Princes
  • America/Marigot
  • America/Martinique
  • America/Moncton
  • America/Montserrat
  • America/Port_of_Spain
  • America/Puerto_Rico
  • America/Santo_Domingo
  • America/St_Barthelemy
  • America/St_Kitts
  • America/St_Lucia
  • America/St_Thomas
  • America/St_Vincent
  • America/Thule
  • America/Tortola
  • America/Virgin
  • Atlantic/Bermuda
  • Canada/Atlantic
AST Abbreviation: Several time zones share AST abbreviation and it could refer to these time zones
  • Atlantic Standard Time - UTC -4
  • Arabia Standard Time - UTC +3
  • Arabian Standard Time - UTC +3
  • Argentina Standard Time - UTC -3
  • Apia Standard Time - UTC +13
  • Azores Summer Time - UTC +0
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time