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- IST to PDT to UTC to CDT
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IST
India Standard Time
GMT +5:30
PDT
Pacific Daylight Time
GMT -7
UTC
Universal Time Coordinated
GMT +0
Time Difference
India Standard Time is 12 hours and 30 minutes ahead of Pacific Daylight Time and 5 hours and 30 minutes ahead of Universal Time Coordinated and 10 hours and 30 minutes ahead of Central Daylight Time
10:30 am10:30 in IST is 10:00 pm22:00 in PDT and is 5:00 am05:00 in UTC and is 12:00 am00:00 in CDT
IST to PDT call time
Best time for a conference call or a meeting is between 7pm-9pm in IST which corresponds to 6:30am-8:30am in PDT
IST to UTC call time
Best time for a conference call or a meeting is between 1:30pm-6pm in IST which corresponds to 8am-12:30pm in UTC
IST to CDT call time
Best time for a conference call or a meeting is between 6pm-8pm in IST which corresponds to 7:30am-9:30am in CDT
10:30 am10:30 India Standard Time (IST). Offset UTC +5:30 hours
10:00 pm22:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
5:00 am05:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
12:00 am00:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
10:30 am10:30 IST / 10:00 pm22:00 PDT / 5:00 am05:00 UTC / 12:00 am00:00 CDT
| IST | PDT | UTC | CDT |
|---|---|---|---|
| 12am (midnight) | 11:30 am | 6:30 pm | 1:30 pm |
| 1am | 12:30 pm | 7:30 pm | 2:30 pm |
| 2am | 1:30 pm | 8:30 pm | 3:30 pm |
| 3am | 2:30 pm | 9:30 pm | 4:30 pm |
| 4am | 3:30 pm | 10:30 pm | 5:30 pm |
| 5am | 4:30 pm | 11:30 pm | 6:30 pm |
| 6am | 5:30 pm | 12:30 am | 7:30 pm |
| 7am | 6:30 pm | 1:30 am | 8:30 pm |
| 8am | 7:30 pm | 2:30 am | 9:30 pm |
| 9am | 8:30 pm | 3:30 am | 10:30 pm |
| 10am | 9:30 pm | 4:30 am | 11:30 pm |
| 11am | 10:30 pm | 5:30 am | 12:30 am |
| 12pm (noon) | 11:30 pm | 6:30 am | 1:30 am |
| 1pm | 12:30 am | 7:30 am | 2:30 am |
| 2pm | 1:30 am | 8:30 am | 3:30 am |
| 3pm | 2:30 am | 9:30 am | 4:30 am |
| 4pm | 3:30 am | 10:30 am | 5:30 am |
| 5pm | 4:30 am | 11:30 am | 6:30 am |
| 6pm | 5:30 am | 12:30 pm | 7:30 am |
| 7pm | 6:30 am | 1:30 pm | 8:30 am |
| 8pm | 7:30 am | 2:30 pm | 9:30 am |
| 9pm | 8:30 am | 3:30 pm | 10:30 am |
| 10pm | 9:30 am | 4:30 pm | 11:30 am |
| 11pm | 10:30 am | 5:30 pm | 12:30 pm |
| 0:00 | 11:30 | 18:30 | 13:30 |
| 1:00 | 12:30 | 19:30 | 14:30 |
| 2:00 | 13:30 | 20:30 | 15:30 |
| 3:00 | 14:30 | 21:30 | 16:30 |
| 4:00 | 15:30 | 22:30 | 17:30 |
| 5:00 | 16:30 | 23:30 | 18:30 |
| 6:00 | 17:30 | 0:30 | 19:30 |
| 7:00 | 18:30 | 1:30 | 20:30 |
| 8:00 | 19:30 | 2:30 | 21:30 |
| 9:00 | 20:30 | 3:30 | 22:30 |
| 10:00 | 21:30 | 4:30 | 23:30 |
| 11:00 | 22:30 | 5:30 | 0:30 |
| 12:00 | 23:30 | 6:30 | 1:30 |
| 13:00 | 0:30 | 7:30 | 2:30 |
| 14:00 | 1:30 | 8:30 | 3:30 |
| 15:00 | 2:30 | 9:30 | 4:30 |
| 16:00 | 3:30 | 10:30 | 5:30 |
| 17:00 | 4:30 | 11:30 | 6:30 |
| 18:00 | 5:30 | 12:30 | 7:30 |
| 19:00 | 6:30 | 13:30 | 8:30 |
| 20:00 | 7:30 | 14:30 | 9:30 |
| 21:00 | 8:30 | 15:30 | 10:30 |
| 22:00 | 9:30 | 16:30 | 11:30 |
| 23:00 | 10:30 | 17:30 | 12:30 |
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
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
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC 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 UTC
- Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
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
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/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- 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
