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- PDT to AEST to EDT to CDT
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PDT
Pacific Daylight Time
GMT -7
AEST
Australian Eastern Standard Time
GMT +10
EDT
Eastern Daylight Time
GMT -4
CDT
Central Daylight Time
GMT -5
Time Difference
Pacific Daylight Time is 17 hours behind Australian Eastern Standard Time and 3 hours behind Eastern Daylight Time and 2 hours behind Central Daylight Time
4:00 am04:00 in PDT is 9:00 pm21:00 in AEST and is 7:00 am07:00 in EDT and is 6:00 am06:00 in CDT
PDT to AEST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in PDT which corresponds to 9:30pm-11:30pm in AEST
PDT to EDT call time
Best time for a conference call or a meeting is between 8am-3pm in PDT which corresponds to 11am-6pm in EDT
PDT to CDT call time
Best time for a conference call or a meeting is between 8am-4pm in PDT which corresponds to 10am-6pm in CDT
4:00 am04:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
9:00 pm21:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
7:00 am07:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
6:00 am06:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
4:00 am04:00 PDT / 9:00 pm21:00 AEST / 7:00 am07:00 EDT / 6:00 am06:00 CDT
| PDT | AEST | EDT | CDT |
|---|---|---|---|
| 12am (midnight) | 5pm | 3am | 2am |
| 1am | 6pm | 4am | 3am |
| 2am | 7pm | 5am | 4am |
| 3am | 8pm | 6am | 5am |
| 4am | 9pm | 7am | 6am |
| 5am | 10pm | 8am | 7am |
| 6am | 11pm | 9am | 8am |
| 7am | 12am (midnight) | 10am | 9am |
| 8am | 1am | 11am | 10am |
| 9am | 2am | 12pm (noon) | 11am |
| 10am | 3am | 1pm | 12pm (noon) |
| 11am | 4am | 2pm | 1pm |
| 12pm (noon) | 5am | 3pm | 2pm |
| 1pm | 6am | 4pm | 3pm |
| 2pm | 7am | 5pm | 4pm |
| 3pm | 8am | 6pm | 5pm |
| 4pm | 9am | 7pm | 6pm |
| 5pm | 10am | 8pm | 7pm |
| 6pm | 11am | 9pm | 8pm |
| 7pm | 12pm (noon) | 10pm | 9pm |
| 8pm | 1pm | 11pm | 10pm |
| 9pm | 2pm | 12am (midnight) | 11pm |
| 10pm | 3pm | 1am | 12am (midnight) |
| 11pm | 4pm | 2am | 1am |
| 0:00 | 17:00 | 3:00 | 2:00 |
| 1:00 | 18:00 | 4:00 | 3:00 |
| 2:00 | 19:00 | 5:00 | 4:00 |
| 3:00 | 20:00 | 6:00 | 5:00 |
| 4:00 | 21:00 | 7:00 | 6:00 |
| 5:00 | 22:00 | 8:00 | 7:00 |
| 6:00 | 23:00 | 9:00 | 8:00 |
| 7:00 | 0:00 | 10:00 | 9:00 |
| 8:00 | 1:00 | 11:00 | 10:00 |
| 9:00 | 2:00 | 12:00 | 11:00 |
| 10:00 | 3:00 | 13:00 | 12:00 |
| 11:00 | 4:00 | 14:00 | 13:00 |
| 12:00 | 5:00 | 15:00 | 14:00 |
| 13:00 | 6:00 | 16:00 | 15:00 |
| 14:00 | 7:00 | 17:00 | 16:00 |
| 15:00 | 8:00 | 18:00 | 17:00 |
| 16:00 | 9:00 | 19:00 | 18:00 |
| 17:00 | 10:00 | 20:00 | 19:00 |
| 18:00 | 11:00 | 21:00 | 20:00 |
| 19:00 | 12:00 | 22:00 | 21:00 |
| 20:00 | 13:00 | 23:00 | 22:00 |
| 21:00 | 14:00 | 0:00 | 23:00 |
| 22:00 | 15:00 | 1:00 | 0:00 |
| 23:00 | 16:00 | 2:00 | 1:00 |
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Pacific Daylight Time (PDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
PDT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -07 - basic short
- -0700 - basic
- -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven 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
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
Time zones with the GMT -7 offset:
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Australian Eastern Standard Time
Offset: AEST is 10 hours 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 AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra
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 Eastern Daylight Time (AEDT).
Start: Australian Eastern Standard Time (AEST) 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.
End: Australian Eastern Standard Time (AEST) 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.
Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra
Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.
AEST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +10 - basic short
- +1000 - basic
- +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Kilo - Military abbreviation for AEST
- K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Antarctica/Macquarie
- Australia/ACT
- Australia/Brisbane
- Australia/Canberra
- Australia/Currie
- Australia/Hobart
- Australia/Lindeman
- Australia/Melbourne
- Australia/NSW
- Australia/Queensland
- Australia/Sydney
- Australia/Tasmania
- Australia/Victoria
Time zones with the GMT +10 offset:
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste
Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Eastern Daylight Time (EDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
EDT 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 EDT
- Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
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
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Cuba, Mexico, United States
Principal Cities: The largest city in the CDT timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Central Daylight Time (CDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
CDT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -05 - basic short
- -0500 - basic
- -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five 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
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Bahia_Banderas
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- Mexico/General
- US/Central
- US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
