MST
UTC−7
Tue, Dec 14
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST
UTC−8
Tue, Dec 14
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST
UTC−5
Tue, Dec 14
2h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
UTC+0
Wed, Dec 15 (next day)
7h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET
UTC+1
Wed, Dec 15 (next day)
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

7:00 pm19:00 MST (UTC-7), Dec 14, 2021 = 6:00 pm18:00 PST (UTC-8), Dec 14, 2021 = 9:00 pm21:00 EST (UTC-5), Dec 14, 2021 = 2:00 am02:00 GMT (UTC+0), Dec 15, 2021 = 3:00 am03:00 CET (UTC+1), Dec 15, 2021

MST is 1 hour ahead of PST. MST is 2 hours behind EST. MST is 7 hours behind GMT. MST is 8 hours behind CET.

How the time difference changes

MST to PST

For most of the year, MDT is 1 hour ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, MST is 1 hour ahead of PST. Briefly around clock changes, MDT is 2 hours ahead of PST or MST and PDT have the same time.

For most of the year, working hours of 9:00 am to 6:00 pm in MDT correspond to 8:00 am to 5:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in MST correspond to 8:00 am to 5:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in MDT correspond to 08:00 to 17:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in MST correspond to 08:00 to 17:00 in PST.

MST to EST

For most of the year, MDT is 2 hours behind EDT. From Nov 1, 2026 to Mar 14, 2027, MST is 2 hours behind EST. Briefly around clock changes, MDT is 1 hour behind EST or MST is 3 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in MDT correspond to 11:00 am to 8:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in MST correspond to 11:00 am to 8:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in MDT correspond to 11:00 to 20:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in MST correspond to 11:00 to 20:00 in EST.

MST to GMT

For most of the year, MDT is 6 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, MST is 7 hours behind GMT.

For most of the year, working hours of 9:00 am to 6:00 pm in MDT correspond to 3:00 pm to 12:00 am (next day) in GMT. At other times of the year, working hours of 9:00 am to 6:00 pm in MST correspond to 4:00 pm to 1:00 am (next day) in GMT.For most of the year, working hours of 09:00 to 18:00 in MDT correspond to 15:00 to 00:00 (next day) in GMT. At other times of the year, working hours of 09:00 to 18:00 in MST correspond to 16:00 to 01:00 (next day) in GMT.

MST to CET

For most of the year, MDT is 8 hours behind CEST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, MDT is 7 hours behind CET. From Nov 1, 2026 to Mar 14, 2027, MST is 8 hours behind CET.

For most of the year, working hours of 9:00 am to 6:00 pm in MDT correspond to 5:00 pm to 2:00 am (next day) in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in MST correspond to 5:00 pm to 2:00 am (next day) in CET or working hours of 9:00 am to 6:00 pm in MDT correspond to 4:00 pm to 1:00 am (next day) in CET.For most of the year, working hours of 09:00 to 18:00 in MDT correspond to 17:00 to 02:00 (next day) in CEST. At other times of the year, working hours of 09:00 to 18:00 in MST correspond to 17:00 to 02:00 (next day) in CET or working hours of 09:00 to 18:00 in MDT correspond to 16:00 to 01:00 (next day) in CET.

Compare MST time with PST, EST, GMT, and CET time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Mountain Standard Time is 1 hour ahead of Pacific Standard Time. Mountain Standard Time is 2 hours behind Eastern Standard Time. Mountain Standard Time is 7 hours behind Greenwich Mean Time. Mountain Standard Time is 8 hours behind Central European Time.
7:00 pm19:00 in MST is 6:00 pm18:00 in PST and is 9:00 pm21:00 in EST and is 2:00 am02:00 in GMT and is 3:00 am03:00 in CET

MST to PST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in MST which corresponds to 9am-5pm09:00-17:00 in PST
MST to EST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in MST which corresponds to 11am-6pm11:00-18:00 in EST
MST to GMT call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in MST which corresponds to 4pm-6pm16:00-18:00 in GMT
MST to CET call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in MST which corresponds to 5pm-6pm17:00-18:00 in CET

7:00 pm19:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
6:00 pm18:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
9:00 pm21:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
2:00 am02:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
3:00 am03:00 Central European Time (CET). Offset UTC +1:00 hour

7:00 pm19:00 MST / 6:00 pm18:00 PST / 9:00 pm21:00 EST / 2:00 am02:00 GMT / 3:00 am03:00 CET

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
MSTPSTESTGMTCET
11:00pm previous day2:00am7:00am8:00am
12:00am3:00am8:00am9:00am
1:00am4:00am9:00am10:00am
2:00am5:00am10:00am11:00am
3:00am6:00am11:00am12:00pm
4:00am7:00am12:00pm1:00pm
5:00am8:00am1:00pm2:00pm
6:00am9:00am2:00pm3:00pm
7:00am10:00am3:00pm4:00pm
8:00am11:00am4:00pm5:00pm
9:00am12:00pm5:00pm6:00pm
10:00am1:00pm6:00pm7:00pm
11:00am2:00pm7:00pm8:00pm
12:00pm3:00pm8:00pm9:00pm
1:00pm4:00pm9:00pm10:00pm
2:00pm5:00pm10:00pm11:00pm
3:00pm6:00pm11:00pm12:00am next day
4:00pm7:00pm12:00am next day1:00am next day
5:00pm8:00pm1:00am next day2:00am next day
6:00pm9:00pm2:00am next day3:00am next day
7:00pm10:00pm3:00am next day4:00am next day
8:00pm11:00pm4:00am next day5:00am next day
9:00pm12:00am next day5:00am next day6:00am next day
10:00pm1:00am next day6:00am next day7:00am next day
23:00 previous day02:0007:0008:00
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15:0018:0023:0000:00 next day
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20:0023:0004:00 next day05:00 next day
21:0000:00 next day05:00 next day06:00 next day
22:0001:00 next day06:00 next day07:00 next day

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

Map of the areas on Mountain Standard Time (MST)
MST all year MST part of the year

On December 14, 2021 some shaded areas are on UTC−8 (Pacific Standard Time).

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).

123456789101112Start: Mountain Standard Time (MST) started on Sunday, November 7, 2021 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 7, 2021, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Mountain Standard Time (MST) ends on Sunday, March 13, 2022 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 13, 2022, 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

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 an offset of seven hours 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
Time zones with the GMT -7 offset:
  • 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

Map of the areas on Pacific Standard Time (PST)
PST part of the year

On December 14, 2021 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).

123456789101112Start: Pacific Standard Time (PST) started on Sunday, November 7, 2021 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 7, 2021, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Pacific Standard Time (PST) ends on Sunday, March 13, 2022 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 13, 2022, 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST 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
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform 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

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

On December 14, 2021 some shaded areas are on UTC−6 (Central Standard Time).

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).

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 7, 2021 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 7, 2021, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 13, 2022 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 13, 2022, 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

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 an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
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

Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

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 the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

On December 14, 2021 some shaded areas are on UTC+1.

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 the zero UTC/GMT offset.
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
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 - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Central European Time

Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Algeria, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Tunisia, Vatican City

Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.

German: MEZ - Mitteleuropäische Zeit

Map of the areas on Central European Time (CET)
CET all year CET part of the year

On December 14, 2021 all shaded areas are on CET.

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).

123456789101112Start: Central European Time (CET) started on Sunday, October 31, 2021 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 31, 2021, 2:00 am02:00. Standard time starts annually on the last Sunday of October.

123456789101112End: Central European Time (CET) ends on Sunday, March 27, 2022 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 27, 2022, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

See upcoming clock changes worldwide.

CET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for CET
  • A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Algiers
  • Africa/Ceuta
  • Africa/Tunis
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time