GST to CEST to GMT to EDT to CST to MST to PDT Time Converter
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.
Iceland and Ghana stay on GMT (UTC+0).
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.
Mexico City and Saskatchewan stay on CST (UTC−6).
Mountain Time is on daylight saving time: MDT (UTC−6) until Sun, Nov 1.
Arizona stays on MST (UTC−7).
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
4:00 pm16:00 GST (UTC+4), Oct 17, 2026 = 2:00 pm14:00 CEST (UTC+2), Oct 17, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 17, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 17, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 17, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 17, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 17, 2026
GST is 2 hours ahead of CEST. GST is 4 hours ahead of GMT. GST is 8 hours ahead of EDT. GST is 9 hours ahead of CDT. GST is 10 hours ahead of MDT. GST is 11 hours ahead of PDT.
How the time difference changes
GST to CEST
For most of the year, GST is 2 hours ahead of CEST. From Oct 25, 2026 to Mar 28, 2027, GST is 3 hours ahead of CET.
For most of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 7:00 am to 4:00 pm in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 6:00 am to 3:00 pm in CET.For most of the year, working hours of 09:00 to 18:00 in GST correspond to 07:00 to 16:00 in CEST. At other times of the year, working hours of 09:00 to 18:00 in GST correspond to 06:00 to 15:00 in CET.
GST to GMT
GST is 4 hours ahead of GMT year-round.
Working hours of 9:00 am to 6:00 pm in GST correspond to 5:00 am to 2:00 pm in GMT.Working hours of 09:00 to 18:00 in GST correspond to 05:00 to 14:00 in GMT.
GST to EDT
For most of the year, GST is 8 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, GST is 9 hours ahead of EST.
For most of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 1:00 am to 10:00 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 12:00 am to 9:00 am in EST.For most of the year, working hours of 09:00 to 18:00 in GST correspond to 01:00 to 10:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in GST correspond to 00:00 to 09:00 in EST.
GST to CST
For most of the year, GST is 9 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, GST is 10 hours ahead of CST.
For most of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 12:00 am to 9:00 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 11:00 pm (previous day) to 8:00 am in CST.For most of the year, working hours of 09:00 to 18:00 in GST correspond to 00:00 to 09:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in GST correspond to 23:00 (previous day) to 08:00 in CST.
GST to MST
For most of the year, GST is 10 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, GST is 11 hours ahead of MST.
For most of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 11:00 pm (previous day) to 8:00 am in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 10:00 pm (previous day) to 7:00 am in MST.For most of the year, working hours of 09:00 to 18:00 in GST correspond to 23:00 (previous day) to 08:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in GST correspond to 22:00 (previous day) to 07:00 in MST.
GST to PDT
For most of the year, GST is 11 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, GST is 12 hours ahead of PST.
For most of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 10:00 pm (previous day) to 7:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GST correspond to 9:00 pm (previous day) to 6:00 am in PST.For most of the year, working hours of 09:00 to 18:00 in GST correspond to 22:00 (previous day) to 07:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in GST correspond to 21:00 (previous day) to 06:00 in PST.
Compare GST time with CEST, GMT, EDT, CST, MST, and PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Gulf Standard Time is 2 hours ahead of Central European Summer Time. Gulf Standard Time is 4 hours ahead of Greenwich Mean Time. Gulf Standard Time is 8 hours ahead of Eastern Daylight Time. Gulf Standard Time is 9 hours ahead of Central Daylight Time. Gulf Standard Time is 10 hours ahead of Mountain Daylight Time. Gulf Standard Time is 11 hours ahead of Pacific Daylight Time.
4:00 pm16:00 in GST is 2:00 pm14:00 in CEST and is 12:00 pm12:00 in GMT and is 8:00 am08:00 in EDT and is 7:00 am07:00 in CDT and is 6:00 am06:00 in MDT and is 5:00 am05:00 in PDT
GST to CEST call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in GST which corresponds to 9am-4pm09:00-16:00 in CEST
GST to GMT call time
Best time for a conference call or a meeting is between 1pm-6pm13:00-18:00 in GST which corresponds to 9am-2pm09:00-14:00 in GMT
GST to EDT call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in GST which corresponds to 9am-10am09:00-10:00 in EDT
GST to CDT call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in GST which corresponds to 8:30am-9:30am08:30-09:30 in CDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
GST to MDT call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in GST which corresponds to 8am-9am08:00-09:00 in MDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
GST to PDT call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in GST which corresponds to 7:30am-8:30am07:30-08:30 in PDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
4:00 pm16:00 Gulf Standard Time (GST). Offset UTC +4:00 hours
2:00 pm14:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
4:00 pm16:00 GST / 2:00 pm14:00 CEST / 12:00 pm12:00 GMT / 8:00 am08:00 EDT / 7:00 am07:00 CDT / 6:00 am06:00 MDT / 5:00 am05:00 PDT
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.
| GST | CEST | GMT | EDT | CDT | MDT | PDT |
|---|---|---|---|---|---|---|
| 10:00pm previous day | 8:00pm previous day | 4:00pm previous day | 3:00pm previous day | 2:00pm previous day | 1:00pm previous day | |
| 11:00pm previous day | 9:00pm previous day | 5:00pm previous day | 4:00pm previous day | 3:00pm previous day | 2:00pm previous day | |
| 12:00am | 10:00pm previous day | 6:00pm previous day | 5:00pm previous day | 4:00pm previous day | 3:00pm previous day | |
| 1:00am | 11:00pm previous day | 7:00pm previous day | 6:00pm previous day | 5:00pm previous day | 4:00pm previous day | |
| 2:00am | 12:00am | 8:00pm previous day | 7:00pm previous day | 6:00pm previous day | 5:00pm previous day | |
| 3:00am | 1:00am | 9:00pm previous day | 8:00pm previous day | 7:00pm previous day | 6:00pm previous day | |
| 4:00am | 2:00am | 10:00pm previous day | 9:00pm previous day | 8:00pm previous day | 7:00pm previous day | |
| 5:00am | 3:00am | 11:00pm previous day | 10:00pm previous day | 9:00pm previous day | 8:00pm previous day | |
| 6:00am | 4:00am | 12:00am | 11:00pm previous day | 10:00pm previous day | 9:00pm previous day | |
| 7:00am | 5:00am | 1:00am | 12:00am | 11:00pm previous day | 10:00pm previous day | |
| 8:00am | 6:00am | 2:00am | 1:00am | 12:00am | 11:00pm previous day | |
| 9:00am | 7:00am | 3:00am | 2:00am | 1:00am | 12:00am | |
| 10:00am | 8:00am | 4:00am | 3:00am | 2:00am | 1:00am | |
| 11:00am | 9:00am | 5:00am | 4:00am | 3:00am | 2:00am | |
| 12:00pm | 10:00am | 6:00am | 5:00am | 4:00am | 3:00am | |
| 1:00pm | 11:00am | 7:00am | 6:00am | 5:00am | 4:00am | |
| 2:00pm | 12:00pm | 8:00am | 7:00am | 6:00am | 5:00am | |
| 3:00pm | 1:00pm | 9:00am | 8:00am | 7:00am | 6:00am | |
| 4:00pm | 2:00pm | 10:00am | 9:00am | 8:00am | 7:00am | |
| 5:00pm | 3:00pm | 11:00am | 10:00am | 9:00am | 8:00am | |
| 6:00pm | 4:00pm | 12:00pm | 11:00am | 10:00am | 9:00am | |
| 7:00pm | 5:00pm | 1:00pm | 12:00pm | 11:00am | 10:00am | |
| 8:00pm | 6:00pm | 2:00pm | 1:00pm | 12:00pm | 11:00am | |
| 9:00pm | 7:00pm | 3:00pm | 2:00pm | 1:00pm | 12:00pm | |
| 22:00 previous day | 20:00 previous day | 16:00 previous day | 15:00 previous day | 14:00 previous day | 13:00 previous day | |
| 23:00 previous day | 21:00 previous day | 17:00 previous day | 16:00 previous day | 15:00 previous day | 14:00 previous day | |
| 00:00 | 22:00 previous day | 18:00 previous day | 17:00 previous day | 16:00 previous day | 15:00 previous day | |
| 01:00 | 23:00 previous day | 19:00 previous day | 18:00 previous day | 17:00 previous day | 16:00 previous day | |
| 02:00 | 00:00 | 20:00 previous day | 19:00 previous day | 18:00 previous day | 17:00 previous day | |
| 03:00 | 01:00 | 21:00 previous day | 20:00 previous day | 19:00 previous day | 18:00 previous day | |
| 04:00 | 02:00 | 22:00 previous day | 21:00 previous day | 20:00 previous day | 19:00 previous day | |
| 05:00 | 03:00 | 23:00 previous day | 22:00 previous day | 21:00 previous day | 20:00 previous day | |
| 06:00 | 04:00 | 00:00 | 23:00 previous day | 22:00 previous day | 21:00 previous day | |
| 07:00 | 05:00 | 01:00 | 00:00 | 23:00 previous day | 22:00 previous day | |
| 08:00 | 06:00 | 02:00 | 01:00 | 00:00 | 23:00 previous day | |
| 09:00 | 07:00 | 03:00 | 02:00 | 01:00 | 00:00 | |
| 10:00 | 08:00 | 04:00 | 03:00 | 02:00 | 01:00 | |
| 11:00 | 09:00 | 05:00 | 04:00 | 03:00 | 02:00 | |
| 12:00 | 10:00 | 06:00 | 05:00 | 04:00 | 03:00 | |
| 13:00 | 11:00 | 07:00 | 06:00 | 05:00 | 04:00 | |
| 14:00 | 12:00 | 08:00 | 07:00 | 06:00 | 05:00 | |
| 15:00 | 13:00 | 09:00 | 08:00 | 07:00 | 06:00 | |
| 16:00 | 14:00 | 10:00 | 09:00 | 08:00 | 07:00 | |
| 17:00 | 15:00 | 11:00 | 10:00 | 09:00 | 08:00 | |
| 18:00 | 16:00 | 12:00 | 11:00 | 10:00 | 09:00 | |
| 19:00 | 17:00 | 13:00 | 12:00 | 11:00 | 10:00 | |
| 20:00 | 18:00 | 14:00 | 13:00 | 12:00 | 11:00 | |
| 21:00 | 19:00 | 15:00 | 14:00 | 13:00 | 12:00 |
Gulf Standard Time
Offset: GST is 4 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Oman, United Arab Emirates
Principal Cities: The largest city in the GST time zone is Dubai in the United Arab Emirates, with about 3.79 million people. Other major cities in this time zone include Abu Dhabi, Sharjah, Al Ain City, Muscat.
Daylight Saving: Clocks in Gulf Standard Time (GST) do not change for daylight saving time, so GST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
GST 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 an offset of four hours to the east of the zero meridian.
- Delta - Military abbreviation for GST
- D - short form of 'Delta'
- KUYT - Kuybyshev Time
- MSD - Moscow Daylight Time
- SAMT - Samara Time
- AMT - Armenia Time
- AZT - Azerbaijan Time
- D - Delta Time Zone
- GET - Georgia Standard Time
- GST - Gulf Standard Time
- MUT - Mauritius Time
- RET - Reunion Time
- SCT - Seychelles Time
Central European Summer Time
Offset: CEST is 2 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Albania, 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, Vatican City
Principal Cities: The largest city in the CEST time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Hamburg.
German: MESZ - Mitteleuropäische Sommerzeit
Today all shaded areas are on CEST.
Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central European Time (CET).
Start: Central European Summer Time (CEST) started on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.
End: Central European Summer Time (CEST) ends on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
CEST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
- Bravo - Military abbreviation for CEST
- B - short form of 'Bravo'
- Africa/Ceuta
- 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
- CEST - Central European Summer Time
- EET - Eastern European Time
- MESZ - Mitteleuropäische Sommerzeit
- B - Bravo Time Zone
- CAT - Central Africa Time
- IST - Israel Standard Time
- SAST - South Africa Standard Time
- WAST - West Africa Summer Time
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.
Today the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time).
GMT 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 the zero UTC/GMT offset.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- 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
- 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
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Haiti, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste
Today all shaded areas are on EDT.
Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Eastern Daylight Time (EDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are 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.
See USA daylight saving time and upcoming clock changes worldwide.
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 an offset of four hours 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
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today the lighter areas are on UTC−5 (Central Daylight Time).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
End: Central Standard Time (CST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
CST 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 an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra 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 the lighter areas are on UTC−6 (MDT).
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).
End: Mountain Standard Time (MST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Mountain Standard Time (MST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
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 Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Mexico, United States
Principal Cities: The largest city in the PDT 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: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
Today all shaded areas are on PDT.
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Pacific Daylight Time (PDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are 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.
See USA daylight saving time and upcoming clock changes worldwide.
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 an offset of seven hours 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