IST to PST to UTC to MDT to PDT to EDT to NZST to MST
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 11 hours and 30 minutes ahead of Mountain Daylight Time and 12 hours and 30 minutes ahead of Pacific Daylight Time and 9 hours and 30 minutes ahead of Eastern Daylight Time and 6 hours and 30 minutes behind New Zealand Standard Time and 11 hours and 30 minutes ahead of Mountain Daylight Time
12:00 am00:00 in IST is 11:30 am11:30 in PDT and is 6:30 pm18:30 in UTC and is 12:30 pm12:30 in MDT and is 11:30 am11:30 in PDT and is 2:30 pm14:30 in EDT and is 6:30 am06:30 in NZST and is 12:30 pm12:30 in MDT
IST to PST call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in IST which corresponds to 6am-8am in PST
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 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 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 EDT call time
Best time for a conference call or a meeting is between 5:30pm-7:30pm in IST which corresponds to 8am-10am in EDT
IST to NZST call time
Best time for a conference call or a meeting is between 8am-11:30am in IST which corresponds to 2:30pm-6pm in NZST
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
12:00 am00:00 India Standard Time (IST). Offset UTC +5:30 hours
11:30 am11:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
6:30 pm18:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
12:30 pm12:30 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
11:30 am11:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
2:30 pm14:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
6:30 am06:30 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
12:30 pm12:30 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
12:00 am00:00 IST / 11:30 am11:30 PDT / 6:30 pm18:30 UTC / 12:30 pm12:30 MDT / 11:30 am11:30 PDT / 2:30 pm14:30 EDT / 6:30 am06:30 NZST / 12:30 pm12:30 MDT
| IST | PDT | UTC | MDT | PDT | EDT | NZST | MDT |
|---|---|---|---|---|---|---|---|
| 12am (midnight) | 11:30 am | 6:30 pm | 12:30 pm | 11:30 am | 2:30 pm | 6:30 am | 12:30 pm |
| 1am | 12:30 pm | 7:30 pm | 1:30 pm | 12:30 pm | 3:30 pm | 7:30 am | 1:30 pm |
| 2am | 1:30 pm | 8:30 pm | 2:30 pm | 1:30 pm | 4:30 pm | 8:30 am | 2:30 pm |
| 3am | 2:30 pm | 9:30 pm | 3:30 pm | 2:30 pm | 5:30 pm | 9:30 am | 3:30 pm |
| 4am | 3:30 pm | 10:30 pm | 4:30 pm | 3:30 pm | 6:30 pm | 10:30 am | 4:30 pm |
| 5am | 4:30 pm | 11:30 pm | 5:30 pm | 4:30 pm | 7:30 pm | 11:30 am | 5:30 pm |
| 6am | 5:30 pm | 12:30 am | 6:30 pm | 5:30 pm | 8:30 pm | 12:30 pm | 6:30 pm |
| 7am | 6:30 pm | 1:30 am | 7:30 pm | 6:30 pm | 9:30 pm | 1:30 pm | 7:30 pm |
| 8am | 7:30 pm | 2:30 am | 8:30 pm | 7:30 pm | 10:30 pm | 2:30 pm | 8:30 pm |
| 9am | 8:30 pm | 3:30 am | 9:30 pm | 8:30 pm | 11:30 pm | 3:30 pm | 9:30 pm |
| 10am | 9:30 pm | 4:30 am | 10:30 pm | 9:30 pm | 12:30 am | 4:30 pm | 10:30 pm |
| 11am | 10:30 pm | 5:30 am | 11:30 pm | 10:30 pm | 1:30 am | 5:30 pm | 11:30 pm |
| 12pm (noon) | 11:30 pm | 6:30 am | 12:30 am | 11:30 pm | 2:30 am | 6:30 pm | 12:30 am |
| 1pm | 12:30 am | 7:30 am | 1:30 am | 12:30 am | 3:30 am | 7:30 pm | 1:30 am |
| 2pm | 1:30 am | 8:30 am | 2:30 am | 1:30 am | 4:30 am | 8:30 pm | 2:30 am |
| 3pm | 2:30 am | 9:30 am | 3:30 am | 2:30 am | 5:30 am | 9:30 pm | 3:30 am |
| 4pm | 3:30 am | 10:30 am | 4:30 am | 3:30 am | 6:30 am | 10:30 pm | 4:30 am |
| 5pm | 4:30 am | 11:30 am | 5:30 am | 4:30 am | 7:30 am | 11:30 pm | 5:30 am |
| 6pm | 5:30 am | 12:30 pm | 6:30 am | 5:30 am | 8:30 am | 12:30 am | 6:30 am |
| 7pm | 6:30 am | 1:30 pm | 7:30 am | 6:30 am | 9:30 am | 1:30 am | 7:30 am |
| 8pm | 7:30 am | 2:30 pm | 8:30 am | 7:30 am | 10:30 am | 2:30 am | 8:30 am |
| 9pm | 8:30 am | 3:30 pm | 9:30 am | 8:30 am | 11:30 am | 3:30 am | 9:30 am |
| 10pm | 9:30 am | 4:30 pm | 10:30 am | 9:30 am | 12:30 pm | 4:30 am | 10:30 am |
| 11pm | 10:30 am | 5:30 pm | 11:30 am | 10:30 am | 1:30 pm | 5:30 am | 11:30 am |
| 0:00 | 11:30 | 18:30 | 12:30 | 11:30 | 14:30 | 6:30 | 12:30 |
| 1:00 | 12:30 | 19:30 | 13:30 | 12:30 | 15:30 | 7:30 | 13:30 |
| 2:00 | 13:30 | 20:30 | 14:30 | 13:30 | 16:30 | 8:30 | 14:30 |
| 3:00 | 14:30 | 21:30 | 15:30 | 14:30 | 17:30 | 9:30 | 15:30 |
| 4:00 | 15:30 | 22:30 | 16:30 | 15:30 | 18:30 | 10:30 | 16:30 |
| 5:00 | 16:30 | 23:30 | 17:30 | 16:30 | 19:30 | 11:30 | 17:30 |
| 6:00 | 17:30 | 0:30 | 18:30 | 17:30 | 20:30 | 12:30 | 18:30 |
| 7:00 | 18:30 | 1:30 | 19:30 | 18:30 | 21:30 | 13:30 | 19:30 |
| 8:00 | 19:30 | 2:30 | 20:30 | 19:30 | 22:30 | 14:30 | 20:30 |
| 9:00 | 20:30 | 3:30 | 21:30 | 20:30 | 23:30 | 15:30 | 21:30 |
| 10:00 | 21:30 | 4:30 | 22:30 | 21:30 | 0:30 | 16:30 | 22:30 |
| 11:00 | 22:30 | 5:30 | 23:30 | 22:30 | 1:30 | 17:30 | 23:30 |
| 12:00 | 23:30 | 6:30 | 0:30 | 23:30 | 2:30 | 18:30 | 0:30 |
| 13:00 | 0:30 | 7:30 | 1:30 | 0:30 | 3:30 | 19:30 | 1:30 |
| 14:00 | 1:30 | 8:30 | 2:30 | 1:30 | 4:30 | 20:30 | 2:30 |
| 15:00 | 2:30 | 9:30 | 3:30 | 2:30 | 5:30 | 21:30 | 3:30 |
| 16:00 | 3:30 | 10:30 | 4:30 | 3:30 | 6:30 | 22:30 | 4:30 |
| 17:00 | 4:30 | 11:30 | 5:30 | 4:30 | 7:30 | 23:30 | 5:30 |
| 18:00 | 5:30 | 12:30 | 6:30 | 5:30 | 8:30 | 0:30 | 6:30 |
| 19:00 | 6:30 | 13:30 | 7:30 | 6:30 | 9:30 | 1:30 | 7:30 |
| 20:00 | 7:30 | 14:30 | 8:30 | 7:30 | 10:30 | 2:30 | 8:30 |
| 21:00 | 8:30 | 15:30 | 9:30 | 8:30 | 11:30 | 3:30 | 9:30 |
| 22:00 | 9:30 | 16:30 | 10:30 | 9:30 | 12:30 | 4:30 | 10:30 |
| 23:00 | 10:30 | 17:30 | 11:30 | 10:30 | 13:30 | 5:30 | 11:30 |
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
- +0530 - basic
- +05:30 - extended
- +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.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Pacific Standard Time
Offset: PST is 8 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 PST 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: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
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 Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- Peru Standard Time - UTC -5
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform 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
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +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.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- 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
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 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
MDT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -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.
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra 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 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Pacific Daylight Time (PDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -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.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango 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 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Eastern Daylight Time (EDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -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.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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
- 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
New Zealand Standard Time
Offset: NZST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries: It is used in following countries: Antarctica, New Zealand
Principal Cities: The largest city in the NZST timezone is Auckland from New Zealand with population about 1.535 million people. Other major cities in the area are Wellington, Christchurch, Hamilton, Tauranga
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 New Zealand Daylight Time (NZDT).
Start: New Zealand Standard Time (NZST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: New Zealand Standard Time (NZST) ends on Sunday, September 28, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, September 28, 2025, 3:00 am local daylight time instead. Standard time starts annually the on last Sunday of September.
NZST representations, usage and related time zones
- +12 - basic short
- +1200 - basic
- +12:00 - extended
- +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates twelve hour and zero minutes time differences to the east of the zero meridian.
- Mike - Military abbreviation for NZST
- M - short form of 'Mike'
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- ANAST - Anadyr Summer Time
- ANAT - Anadyr Time
- FJT - Fiji Time
- GILT - Gilbert Island Time
- M - Mike Time Zone
- MAGST - Magadan Summer Time
- MAGT - Magadan Time
- MHT - Marshall Islands Time
- NRT - Nauru Time
- NZST - New Zealand Standard Time
- PETST - Kamchatka Summer Time
- TVT - Tuvalu Time
- WFT - Wallis and Futuna 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 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 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 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 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.
MST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -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.
- Tango - Military abbreviation for MST
- T - short form of 'Tango'
- 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
- Mountain Standard Time - UTC -7
- Moscow Standard Time - UTC +3
- Mauritius Standard Time - UTC +4
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone