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- CDT to EDT to MST to PDT to IST
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CDT
Central Daylight Time
GMT -5
EDT
Eastern Daylight Time
MDT/MST
Mountain Daylight Time
GMT -6
MST automatically adjusted to MDT time zone, that is in use
PDT
Pacific Daylight Time
GMT -7
IST
India Standard Time
GMT +5:30
Time Difference
Central Daylight Time is 1 hours behind Eastern Daylight Time and 1 hour ahead of Mountain Daylight Time and 2 hours ahead of Pacific Daylight Time and 10 hours and 30 minutes behind India Standard Time
3:00 am03:00 in CDT is 4:00 am04:00 in EDT and is 2:00 am02:00 in MDT and is 1:00 am01:00 in PDT and is 1:30 pm13:30 in IST
CDT to EDT call time
Best time for a conference call or a meeting is between 8am-5pm in CDT which corresponds to 9am-6pm in EDT
CDT to MST call time
Best time for a conference call or a meeting is between 10am-6pm in CDT which corresponds to 8am-4pm in MST
CDT to PDT call time
Best time for a conference call or a meeting is between 10am-6pm in CDT which corresponds to 8am-4pm in PDT
CDT to IST call time
Best time for a conference call or a meeting is between 7:30am-9:30am in CDT which corresponds to 6pm-8pm in IST
3:00 am03:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
4:00 am04:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
2:00 am02:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
1:00 am01:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:30 pm13:30 India Standard Time (IST). Offset UTC +5:30 hours
3:00 am03:00 CDT / 4:00 am04:00 EDT / 2:00 am02:00 MDT / 1:00 am01:00 PDT / 1:30 pm13:30 IST
| CDT | EDT | MDT | PDT | IST |
|---|---|---|---|---|
| 12am (midnight) | 1am | 11pm | 10pm | 10:30 am |
| 1am | 2am | 12am (midnight) | 11pm | 11:30 am |
| 2am | 3am | 1am | 12am (midnight) | 12:30 pm |
| 3am | 4am | 2am | 1am | 1:30 pm |
| 4am | 5am | 3am | 2am | 2:30 pm |
| 5am | 6am | 4am | 3am | 3:30 pm |
| 6am | 7am | 5am | 4am | 4:30 pm |
| 7am | 8am | 6am | 5am | 5:30 pm |
| 8am | 9am | 7am | 6am | 6:30 pm |
| 9am | 10am | 8am | 7am | 7:30 pm |
| 10am | 11am | 9am | 8am | 8:30 pm |
| 11am | 12pm (noon) | 10am | 9am | 9:30 pm |
| 12pm (noon) | 1pm | 11am | 10am | 10:30 pm |
| 1pm | 2pm | 12pm (noon) | 11am | 11:30 pm |
| 2pm | 3pm | 1pm | 12pm (noon) | 12:30 am |
| 3pm | 4pm | 2pm | 1pm | 1:30 am |
| 4pm | 5pm | 3pm | 2pm | 2:30 am |
| 5pm | 6pm | 4pm | 3pm | 3:30 am |
| 6pm | 7pm | 5pm | 4pm | 4:30 am |
| 7pm | 8pm | 6pm | 5pm | 5:30 am |
| 8pm | 9pm | 7pm | 6pm | 6:30 am |
| 9pm | 10pm | 8pm | 7pm | 7:30 am |
| 10pm | 11pm | 9pm | 8pm | 8:30 am |
| 11pm | 12am (midnight) | 10pm | 9pm | 9:30 am |
| 0:00 | 1:00 | 23:00 | 22:00 | 10:30 |
| 1:00 | 2:00 | 0:00 | 23:00 | 11:30 |
| 2:00 | 3:00 | 1:00 | 0:00 | 12:30 |
| 3:00 | 4:00 | 2:00 | 1:00 | 13:30 |
| 4:00 | 5:00 | 3:00 | 2:00 | 14:30 |
| 5:00 | 6:00 | 4:00 | 3:00 | 15:30 |
| 6:00 | 7:00 | 5:00 | 4:00 | 16:30 |
| 7:00 | 8:00 | 6:00 | 5:00 | 17:30 |
| 8:00 | 9:00 | 7:00 | 6:00 | 18:30 |
| 9:00 | 10:00 | 8:00 | 7:00 | 19:30 |
| 10:00 | 11:00 | 9:00 | 8:00 | 20:30 |
| 11:00 | 12:00 | 10:00 | 9:00 | 21:30 |
| 12:00 | 13:00 | 11:00 | 10:00 | 22:30 |
| 13:00 | 14:00 | 12:00 | 11:00 | 23:30 |
| 14:00 | 15:00 | 13:00 | 12:00 | 0:30 |
| 15:00 | 16:00 | 14:00 | 13:00 | 1:30 |
| 16:00 | 17:00 | 15:00 | 14:00 | 2:30 |
| 17:00 | 18:00 | 16:00 | 15:00 | 3:30 |
| 18:00 | 19:00 | 17:00 | 16:00 | 4:30 |
| 19:00 | 20:00 | 18:00 | 17:00 | 5:30 |
| 20:00 | 21:00 | 19:00 | 18:00 | 6:30 |
| 21:00 | 22:00 | 20:00 | 19:00 | 7:30 |
| 22:00 | 23:00 | 21:00 | 20:00 | 8:30 |
| 23:00 | 0:00 | 22:00 | 21:00 | 9:30 |
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 Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Havana, Houston, Iztapalapa
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
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
Mountain Standard Time
Offset: MST 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 MST timezone is Ciudad Juarez from Mexico with population about 1.512 million people. Other major cities in the area are Phoenix, Calgary, Chihuahua, Edmonton
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
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 Mountain Daylight Time (MDT).
End: Mountain Standard Time (MST) has ended 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 local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Mountain Standard Time (MST) starts 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. Standard time starts annually the on first Sunday of November.
MST 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 MST
- T - short form of 'Tango'
IANA/Olson: Reflects MST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Boise
- America/Cambridge_Bay
- America/Chihuahua
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- America/Ojinaga
- America/Phoenix
- America/Shiprock
- America/Whitehorse
- America/Yellowknife
- Canada/Mountain
- Canada/Yukon
- MST
- MST7MDT
- Mexico/BajaSur
- Navajo
- US/Arizona
- US/Mountain
MST Abbreviation: Several time zones share MST abbreviation and it could refer to these time zones
- Mountain Standard Time - UTC -7
- Mauritius Standard Time - UTC +4
- Moscow Standard Time - UTC +3
Time zones with the GMT -7 offset:
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
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
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST 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, India Standard Time remains the same
IST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0530 - basic
- +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Asia/Calcutta
- Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
