- Home
- Converter
- CT to IST to GMT to EDT
|
CT/CDT
IST
India Standard Time
GMT +5:30
GMT
Greenwich Mean Time
GMT +0
Time Difference
Central Daylight Time is 10 hours and 30 minutes behind India Standard Time and 5 hours behind Greenwich Mean Time and 1 hours behind Eastern Daylight Time
9:30 pm21:30 in CDT is 8:00 am08:00 in IST and is 2:30 am02:30 in GMT and is 10:30 pm22:30 in EDT
CT to IST call time
Best time for a conference call or a meeting is between 7am-9am in CT which corresponds to 6:30pm-8:30pm in IST
CT to GMT call time
Best time for a conference call or a meeting is between 8am-12pm in CT which corresponds to 2pm-6pm in GMT
CT to EDT call time
Best time for a conference call or a meeting is between 8am-4pm in CT which corresponds to 10am-6pm in EDT
9:30 pm21:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
8:00 am08:00 India Standard Time (IST). Offset UTC +5:30 hours
2:30 am02:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
10:30 pm22:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
9:30 pm21:30 CDT / 8:00 am08:00 IST / 2:30 am02:30 GMT / 10:30 pm22:30 EDT
| CT | IST | GMT | EDT |
|---|---|---|---|
| 12am (midnight) | 10:30 am | 5am | 1am |
| 1am | 11:30 am | 6am | 2am |
| 2am | 12:30 pm | 7am | 3am |
| 3am | 1:30 pm | 8am | 4am |
| 4am | 2:30 pm | 9am | 5am |
| 5am | 3:30 pm | 10am | 6am |
| 6am | 4:30 pm | 11am | 7am |
| 7am | 5:30 pm | 12pm (noon) | 8am |
| 8am | 6:30 pm | 1pm | 9am |
| 9am | 7:30 pm | 2pm | 10am |
| 10am | 8:30 pm | 3pm | 11am |
| 11am | 9:30 pm | 4pm | 12pm (noon) |
| 12pm (noon) | 10:30 pm | 5pm | 1pm |
| 1pm | 11:30 pm | 6pm | 2pm |
| 2pm | 12:30 am | 7pm | 3pm |
| 3pm | 1:30 am | 8pm | 4pm |
| 4pm | 2:30 am | 9pm | 5pm |
| 5pm | 3:30 am | 10pm | 6pm |
| 6pm | 4:30 am | 11pm | 7pm |
| 7pm | 5:30 am | 12am (midnight) | 8pm |
| 8pm | 6:30 am | 1am | 9pm |
| 9pm | 7:30 am | 2am | 10pm |
| 10pm | 8:30 am | 3am | 11pm |
| 11pm | 9:30 am | 4am | 12am (midnight) |
| 0:00 | 10:30 | 5:00 | 1:00 |
| 1:00 | 11:30 | 6:00 | 2:00 |
| 2:00 | 12:30 | 7:00 | 3:00 |
| 3:00 | 13:30 | 8:00 | 4:00 |
| 4:00 | 14:30 | 9:00 | 5:00 |
| 5:00 | 15:30 | 10:00 | 6:00 |
| 6:00 | 16:30 | 11:00 | 7:00 |
| 7:00 | 17:30 | 12:00 | 8:00 |
| 8:00 | 18:30 | 13:00 | 9:00 |
| 9:00 | 19:30 | 14:00 | 10:00 |
| 10:00 | 20:30 | 15:00 | 11:00 |
| 11:00 | 21:30 | 16:00 | 12:00 |
| 12:00 | 22:30 | 17:00 | 13:00 |
| 13:00 | 23:30 | 18:00 | 14:00 |
| 14:00 | 0:30 | 19:00 | 15:00 |
| 15:00 | 1:30 | 20:00 | 16:00 |
| 16:00 | 2:30 | 21:00 | 17:00 |
| 17:00 | 3:30 | 22:00 | 18:00 |
| 18:00 | 4:30 | 23:00 | 19:00 |
| 19:00 | 5:30 | 0:00 | 20:00 |
| 20:00 | 6:30 | 1:00 | 21:00 |
| 21:00 | 7:30 | 2:00 | 22:00 |
| 22:00 | 8:30 | 3:00 | 23:00 |
| 23:00 | 9:30 | 4:00 | 0:00 |
Central Time
Central Time (PT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Central Time (PT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.
Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
CT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -06 - basic short
- -0600 - basic
- -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six 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
- Sierra - Military abbreviation for CT
- S - short form of 'Sierra'
CT Abbreviation: Several time zones share CT abbreviation and it could refer to these time zones
- Central Time - UTC -6
- Chuuk Time - UTC +10
Time zones with the GMT -6 offset:
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra 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
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
GMT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
GMT Abbreviation: Several time zones share GMT abbreviation and it could refer to these time zones
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT - UTC +1
- GMT+06:00 - UTC +6
- GMT-01:00 - UTC -1
- GMT+11:00 - UTC +11
Time zones with the GMT +0 offset:
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu 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
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
