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- IST to PHOT to PDT to MST to MDT to GMT
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PHOT
Phoenix Island Time
GMT +13
PDT
Pacific Daylight Time
GMT -7
MDT/MST
Mountain Daylight Time
GMT -6
MST automatically adjusted to MDT time zone, that is in use
MDT
Mountain Daylight Time
GMT -6
Time Difference
India Standard Time is 7 hours and 30 minutes behind Phoenix Island Time and 12 hours and 30 minutes ahead of Pacific Daylight Time and 11 hours and 30 minutes ahead of Mountain Daylight Time and 11 hours and 30 minutes ahead of Mountain Daylight Time and 5 hours and 30 minutes ahead of Greenwich Mean Time
11:30 pm23:30 in IST is 7:00 am07:00 in PHOT and is 11:00 am11:00 in PDT and is 12:00 pm12:00 in MDT and is 12:00 pm12:00 in MDT and is 6:00 pm18:00 in GMT
IST to PHOT call time
Best time for a conference call or a meeting is between 8am-10:30am in IST which corresponds to 3:30pm-6pm in PHOT
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 MST 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 MST
IST to MDT call time
Best time for a conference call or a meeting is between 6:30pm-8:30pm in IST which corresponds to 7am-9am in MDT
IST to GMT 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 GMT
11:30 pm23:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 am07:00 Phoenix Island Time (PHOT). Offset UTC +13:00 hours
11:00 am11:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:00 pm12:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
12:00 pm12:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
6:00 pm18:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
11:30 pm23:30 IST / 7:00 am07:00 PHOT / 11:00 am11:00 PDT / 12:00 pm12:00 MDT / 12:00 pm12:00 MDT / 6:00 pm18:00 GMT
| IST | PHOT | PDT | MDT | MDT | GMT |
|---|---|---|---|---|---|
| 12am (midnight) | 7:30 am | 11:30 am | 12:30 pm | 12:30 pm | 6:30 pm |
| 1am | 8:30 am | 12:30 pm | 1:30 pm | 1:30 pm | 7:30 pm |
| 2am | 9:30 am | 1:30 pm | 2:30 pm | 2:30 pm | 8:30 pm |
| 3am | 10:30 am | 2:30 pm | 3:30 pm | 3:30 pm | 9:30 pm |
| 4am | 11:30 am | 3:30 pm | 4:30 pm | 4:30 pm | 10:30 pm |
| 5am | 12:30 pm | 4:30 pm | 5:30 pm | 5:30 pm | 11:30 pm |
| 6am | 1:30 pm | 5:30 pm | 6:30 pm | 6:30 pm | 12:30 am |
| 7am | 2:30 pm | 6:30 pm | 7:30 pm | 7:30 pm | 1:30 am |
| 8am | 3:30 pm | 7:30 pm | 8:30 pm | 8:30 pm | 2:30 am |
| 9am | 4:30 pm | 8:30 pm | 9:30 pm | 9:30 pm | 3:30 am |
| 10am | 5:30 pm | 9:30 pm | 10:30 pm | 10:30 pm | 4:30 am |
| 11am | 6:30 pm | 10:30 pm | 11:30 pm | 11:30 pm | 5:30 am |
| 12pm (noon) | 7:30 pm | 11:30 pm | 12:30 am | 12:30 am | 6:30 am |
| 1pm | 8:30 pm | 12:30 am | 1:30 am | 1:30 am | 7:30 am |
| 2pm | 9:30 pm | 1:30 am | 2:30 am | 2:30 am | 8:30 am |
| 3pm | 10:30 pm | 2:30 am | 3:30 am | 3:30 am | 9:30 am |
| 4pm | 11:30 pm | 3:30 am | 4:30 am | 4:30 am | 10:30 am |
| 5pm | 12:30 am | 4:30 am | 5:30 am | 5:30 am | 11:30 am |
| 6pm | 1:30 am | 5:30 am | 6:30 am | 6:30 am | 12:30 pm |
| 7pm | 2:30 am | 6:30 am | 7:30 am | 7:30 am | 1:30 pm |
| 8pm | 3:30 am | 7:30 am | 8:30 am | 8:30 am | 2:30 pm |
| 9pm | 4:30 am | 8:30 am | 9:30 am | 9:30 am | 3:30 pm |
| 10pm | 5:30 am | 9:30 am | 10:30 am | 10:30 am | 4:30 pm |
| 11pm | 6:30 am | 10:30 am | 11:30 am | 11:30 am | 5:30 pm |
| 0:00 | 7:30 | 11:30 | 12:30 | 12:30 | 18:30 |
| 1:00 | 8:30 | 12:30 | 13:30 | 13:30 | 19:30 |
| 2:00 | 9:30 | 13:30 | 14:30 | 14:30 | 20:30 |
| 3:00 | 10:30 | 14:30 | 15:30 | 15:30 | 21:30 |
| 4:00 | 11:30 | 15:30 | 16:30 | 16:30 | 22:30 |
| 5:00 | 12:30 | 16:30 | 17:30 | 17:30 | 23:30 |
| 6:00 | 13:30 | 17:30 | 18:30 | 18:30 | 0:30 |
| 7:00 | 14:30 | 18:30 | 19:30 | 19:30 | 1:30 |
| 8:00 | 15:30 | 19:30 | 20:30 | 20:30 | 2:30 |
| 9:00 | 16:30 | 20:30 | 21:30 | 21:30 | 3:30 |
| 10:00 | 17:30 | 21:30 | 22:30 | 22:30 | 4:30 |
| 11:00 | 18:30 | 22:30 | 23:30 | 23:30 | 5:30 |
| 12:00 | 19:30 | 23:30 | 0:30 | 0:30 | 6:30 |
| 13:00 | 20:30 | 0:30 | 1:30 | 1:30 | 7:30 |
| 14:00 | 21:30 | 1:30 | 2:30 | 2:30 | 8:30 |
| 15:00 | 22:30 | 2:30 | 3:30 | 3:30 | 9:30 |
| 16:00 | 23:30 | 3:30 | 4:30 | 4:30 | 10:30 |
| 17:00 | 0:30 | 4:30 | 5:30 | 5:30 | 11:30 |
| 18:00 | 1:30 | 5:30 | 6:30 | 6:30 | 12:30 |
| 19:00 | 2:30 | 6:30 | 7:30 | 7:30 | 13:30 |
| 20:00 | 3:30 | 7:30 | 8:30 | 8:30 | 14:30 |
| 21:00 | 4:30 | 8:30 | 9:30 | 9:30 | 15:30 |
| 22:00 | 5:30 | 9:30 | 10:30 | 10:30 | 16:30 |
| 23:00 | 6:30 | 10:30 | 11:30 | 11:30 | 17:30 |
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
Phoenix Island Time
Offset: PHOT is 13 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
PHOT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +13 - basic short
- +1300 - basic
- +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates thirteen hour and zero minutes time differences to the east of the zero meridian.
Time zones with the GMT +13 offset:
- FJST - Fiji Summer Time
- NZDT - New Zealand Daylight Time
- PHOT - Phoenix Island Time
- TKT - Tokelau Time
- TOT - Tonga Time
- WST - West Samoa Time
- WSST - West Samoa Standard Time
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
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 Phoenix from USA with population about 1.446 million people. Other major cities in the area are Calgary, Edmonton, El Paso, Denver
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/Ciudad_Juarez
- America/Creston
- America/Dawson
- America/Dawson_Creek
- America/Denver
- America/Edmonton
- America/Fort_Nelson
- America/Hermosillo
- America/Inuvik
- America/Mazatlan
- 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
- Moscow Standard Time - UTC +3
- Mauritius Standard Time - UTC +4
- Magadan Standard Time - UTC +11
Time zones with the GMT -7 offset:
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Mountain Daylight Time
Offset: MDT is 6 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 MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) 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: Mountain Daylight Time (MDT) 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
MDT 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 MDT
- S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
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
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 - UTC +1
- GMT+03:00 - UTC +3
- GMT+06:00 - UTC +6
- GMT+11:00 - UTC +11
- GMT-01:00 - UTC -1
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
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
