HST to MST to PST to CDT to EST to IST Time Converter
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2:00 am02:00 HST (UTC-10), Nov 8, 2026 = 5:00 am05:00 MST (UTC-7), Nov 8, 2026 = 4:00 am04:00 PST (UTC-8), Nov 8, 2026 = 6:00 am06:00 CST (UTC-6), Nov 8, 2026 = 7:00 am07:00 EST (UTC-5), Nov 8, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 8, 2026
HST is 3 hours behind MST. HST is 2 hours behind PST. HST is 4 hours behind CST. HST is 5 hours behind EST. HST is 15 hours and 30 minutes behind IST.
How the time difference changes
HST to MST
For most of the year, HST is 4 hours behind MDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, HST is 3 hours behind MST.
For most of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 1:00 pm to 10:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 12:00 pm to 9:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in HST correspond to 13:00 to 22:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in HST correspond to 12:00 to 21:00 in MST.
HST to PST
For most of the year, HST is 3 hours behind PDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, HST is 2 hours behind PST.
For most of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 12:00 pm to 9:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 11:00 am to 8:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in HST correspond to 12:00 to 21:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in HST correspond to 11:00 to 20:00 in PST.
HST to CDT
For most of the year, HST is 5 hours behind CDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, HST is 4 hours behind CST.
For most of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 2:00 pm to 11:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 1:00 pm to 10:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in HST correspond to 14:00 to 23:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in HST correspond to 13:00 to 22:00 in CST.
HST to EST
For most of the year, HST is 6 hours behind EDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, HST is 5 hours behind EST.
For most of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 3:00 pm to 12:00 am (next day) in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 2:00 pm to 11:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in HST correspond to 15:00 to 00:00 (next day) in EDT. At other times of the year, working hours of 09:00 to 18:00 in HST correspond to 14:00 to 23:00 in EST.
HST to IST
HST is 15 hours and 30 minutes behind IST year-round.
Working hours of 9:00 am to 6:00 pm in HST correspond to 12:30 am (next day) to 9:30 am (next day) in IST.Working hours of 09:00 to 18:00 in HST correspond to 00:30 (next day) to 09:30 (next day) in IST.
Compare HST time with MST, PST, CDT, EST, and IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Standard Time is 3 hours behind Mountain Standard Time. Hawaii Standard Time is 2 hours behind Pacific Standard Time. Hawaii Standard Time is 4 hours behind Central Standard Time. Hawaii Standard Time is 5 hours behind Eastern Standard Time. Hawaii Standard Time is 15 hours and 30 minutes behind India Standard Time.
2:00 am02:00 in HST is 5:00 am05:00 in MST and is 4:00 am04:00 in PST and is 6:00 am06:00 in CST and is 7:00 am07:00 in EST and is 5:30 pm17:30 in IST
HST to MST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in HST which corresponds to 12pm-6pm12:00-18:00 in MST.
HST to PST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in HST which corresponds to 11am-6pm11:00-18:00 in PST.
HST to CST call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in HST which corresponds to 1pm-6pm13:00-18:00 in CST.
HST to EST call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in HST which corresponds to 2pm-6pm14:00-18:00 in EST.
HST to IST call time
Best time for a conference call or a meeting is between 5:30pm-6pm17:30-18:00 in HST which corresponds to 9am-9:30am09:00-09:30 in IST (next day).
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
2:00 am02:00 HST / 5:00 am05:00 MST / 4:00 am04:00 PST / 6:00 am06:00 CST / 7:00 am07:00 EST / 5:30 pm17:30 IST
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| HST | MST | PST | CST | EST | IST |
|---|---|---|---|---|---|
| 3:00am | 2:00am | 4:00am | 5:00am | 3:30pm | |
| 4:00am | 3:00am | 5:00am | 6:00am | 4:30pm | |
| 5:00am | 4:00am | 6:00am | 7:00am | 5:30pm | |
| 6:00am | 5:00am | 7:00am | 8:00am | 6:30pm | |
| 7:00am | 6:00am | 8:00am | 9:00am | 7:30pm | |
| 8:00am | 7:00am | 9:00am | 10:00am | 8:30pm | |
| 9:00am | 8:00am | 10:00am | 11:00am | 9:30pm | |
| 10:00am | 9:00am | 11:00am | 12:00pm | 10:30pm | |
| 11:00am | 10:00am | 12:00pm | 1:00pm | 11:30pm | |
| 12:00pm | 11:00am | 1:00pm | 2:00pm | 12:30am next day | |
| 1:00pm | 12:00pm | 2:00pm | 3:00pm | 1:30am next day | |
| 2:00pm | 1:00pm | 3:00pm | 4:00pm | 2:30am next day | |
| 3:00pm | 2:00pm | 4:00pm | 5:00pm | 3:30am next day | |
| 4:00pm | 3:00pm | 5:00pm | 6:00pm | 4:30am next day | |
| 5:00pm | 4:00pm | 6:00pm | 7:00pm | 5:30am next day | |
| 6:00pm | 5:00pm | 7:00pm | 8:00pm | 6:30am next day | |
| 7:00pm | 6:00pm | 8:00pm | 9:00pm | 7:30am next day | |
| 8:00pm | 7:00pm | 9:00pm | 10:00pm | 8:30am next day | |
| 9:00pm | 8:00pm | 10:00pm | 11:00pm | 9:30am next day | |
| 10:00pm | 9:00pm | 11:00pm | 12:00am next day | 10:30am next day | |
| 11:00pm | 10:00pm | 12:00am next day | 1:00am next day | 11:30am next day | |
| 12:00am next day | 11:00pm | 1:00am next day | 2:00am next day | 12:30pm next day | |
| 1:00am next day | 12:00am next day | 2:00am next day | 3:00am next day | 1:30pm next day | |
| 2:00am next day | 1:00am next day | 3:00am next day | 4:00am next day | 2:30pm next day | |
| 03:00 | 02:00 | 04:00 | 05:00 | 15:30 | |
| 04:00 | 03:00 | 05:00 | 06:00 | 16:30 | |
| 05:00 | 04:00 | 06:00 | 07:00 | 17:30 | |
| 06:00 | 05:00 | 07:00 | 08:00 | 18:30 | |
| 07:00 | 06:00 | 08:00 | 09:00 | 19:30 | |
| 08:00 | 07:00 | 09:00 | 10:00 | 20:30 | |
| 09:00 | 08:00 | 10:00 | 11:00 | 21:30 | |
| 10:00 | 09:00 | 11:00 | 12:00 | 22:30 | |
| 11:00 | 10:00 | 12:00 | 13:00 | 23:30 | |
| 12:00 | 11:00 | 13:00 | 14:00 | 00:30 next day | |
| 13:00 | 12:00 | 14:00 | 15:00 | 01:30 next day | |
| 14:00 | 13:00 | 15:00 | 16:00 | 02:30 next day | |
| 15:00 | 14:00 | 16:00 | 17:00 | 03:30 next day | |
| 16:00 | 15:00 | 17:00 | 18:00 | 04:30 next day | |
| 17:00 | 16:00 | 18:00 | 19:00 | 05:30 next day | |
| 18:00 | 17:00 | 19:00 | 20:00 | 06:30 next day | |
| 19:00 | 18:00 | 20:00 | 21:00 | 07:30 next day | |
| 20:00 | 19:00 | 21:00 | 22:00 | 08:30 next day | |
| 21:00 | 20:00 | 22:00 | 23:00 | 09:30 next day | |
| 22:00 | 21:00 | 23:00 | 00:00 next day | 10:30 next day | |
| 23:00 | 22:00 | 00:00 next day | 01:00 next day | 11:30 next day | |
| 00:00 next day | 23:00 | 01:00 next day | 02:00 next day | 12:30 next day | |
| 01:00 next day | 00:00 next day | 02:00 next day | 03:00 next day | 13:30 next day | |
| 02:00 next day | 01:00 next day | 03:00 next day | 04:00 next day | 14:30 next day |
Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Principal Cities: The largest city in the HST time zone is Honolulu in the United States, with about 350,964 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.
Daylight Saving: Some places on Hawaii Standard Time (HST) keep the same time all year, while others use HST for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today all shaded areas are on HST.
HST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- America/Adak
- America/Atka
- HST
- Pacific/Honolulu
- Pacific/Johnston
- US/Aleutian
- US/Hawaii
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Mountain Standard Time
Offset: MST is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Ciudad Juárez, Hermosillo, Culiacán, Denver.
French: HNR - Heure Normale des Rocheuses
Spanish: MT - Zona Pacífico
Today all shaded areas are on MST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).
Start: Mountain Standard Time (MST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Mountain Standard Time (MST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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 an offset of seven hours 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
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Today all shaded areas are on PST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Pacific Standard Time (PST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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 an offset of eight hours 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
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Today the shaded areas are on UTC−6 (Central Standard Time).
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
CDT representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- 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
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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 Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today all shaded areas are on EST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- 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/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- 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
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in India: India time now
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 an offset of five hours and thirty minutes 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