IST to PDT to EST to CDT to CET to GMT to MDT Time Converter
Pacific Time is on standard time: PST (UTC−8) until Sun, Mar 14, 2027.
Central Time is on standard time: CST (UTC−6) until Sun, Mar 14, 2027.
Mountain Time is on standard time: MST (UTC−7) until Sun, Mar 14, 2027.
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Quick answers
Selected conversion
8:30 am08:30 IST (UTC+5:30), Nov 1, 2026 = 7:00 pm19:00 PST (UTC-8), Oct 31, 2026 = 10:00 pm22:00 EST (UTC-5), Oct 31, 2026 = 9:00 pm21:00 CST (UTC-6), Oct 31, 2026 = 4:00 am04:00 CET (UTC+1), Nov 1, 2026 = 3:00 am03:00 GMT (UTC+0), Nov 1, 2026 = 8:00 pm20:00 MST (UTC-7), Oct 31, 2026
IST is 13 hours and 30 minutes ahead of PST. IST is 10 hours and 30 minutes ahead of EST. IST is 11 hours and 30 minutes ahead of CST. IST is 4 hours and 30 minutes ahead of CET. IST is 5 hours and 30 minutes ahead of GMT. IST is 12 hours and 30 minutes ahead of MST.
How the time difference changes
IST to PDT
For most of the year, IST is 12 hours and 30 minutes ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, IST is 13 hours and 30 minutes ahead of PST.
For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 8:30 pm (previous day) to 5:30 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 7:30 pm (previous day) to 4:30 am in PST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 20:30 (previous day) to 05:30 in PDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 19:30 (previous day) to 04:30 in PST.
IST to EST
For most of the year, IST is 9 hours and 30 minutes ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, IST is 10 hours and 30 minutes ahead of EST.
For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 11:30 pm (previous day) to 8:30 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 10:30 pm (previous day) to 7:30 am in EST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 23:30 (previous day) to 08:30 in EDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 22:30 (previous day) to 07:30 in EST.
IST to CDT
For most of the year, IST is 10 hours and 30 minutes ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, IST is 11 hours and 30 minutes ahead of CST.
For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 10:30 pm (previous day) to 7:30 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 9:30 pm (previous day) to 6:30 am in CST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 22:30 (previous day) to 07:30 in CDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 21:30 (previous day) to 06:30 in CST.
IST to CET
For most of the year, IST is 3 hours and 30 minutes ahead of CEST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, IST is 4 hours and 30 minutes ahead of CET.
For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 5:30 am to 2:30 pm in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 4:30 am to 1:30 pm in CET.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 05:30 to 14:30 in CEST. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 04:30 to 13:30 in CET.
IST to GMT
IST is 5 hours and 30 minutes ahead of GMT year-round.
Working hours of 9:00 am to 6:00 pm in IST correspond to 3:30 am to 12:30 pm in GMT.Working hours of 09:00 to 18:00 in IST correspond to 03:30 to 12:30 in GMT.
IST to MDT
For most of the year, IST is 11 hours and 30 minutes ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, IST is 12 hours and 30 minutes ahead of MST.
For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 9:30 pm (previous day) to 6:30 am in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 8:30 pm (previous day) to 5:30 am in MST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 21:30 (previous day) to 06:30 in MDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 20:30 (previous day) to 05:30 in MST.
Compare IST time with PDT, EST, CDT, CET, GMT, and MDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 13 hours and 30 minutes ahead of Pacific Standard Time. India Standard Time is 10 hours and 30 minutes ahead of Eastern Standard Time. India Standard Time is 11 hours and 30 minutes ahead of Central Standard Time. India Standard Time is 4 hours and 30 minutes ahead of Central European Time. India Standard Time is 5 hours and 30 minutes ahead of Greenwich Mean Time. India Standard Time is 12 hours and 30 minutes ahead of Mountain Standard Time.
8:30 am08:30 in IST is 7:00 pm19:00 in PST and is 10:00 pm22:00 in EST and is 9:00 pm21:00 in CST and is 4:00 am04:00 in CET and is 3:00 am03:00 in GMT and is 8:00 pm20:00 in MST
IST to PDT call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in IST which corresponds to 7pm-8pm19:00-20:00 in PDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to EST call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in IST which corresponds to 8am-9am08:00-09:00 in EST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to CST call time
Best time for a conference call or a meeting is between 7pm-8pm19:00-20:00 in IST which corresponds to 7:30am-8:30am07:30-08:30 in CST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to CET call time
Best time for a conference call or a meeting is between 1:30pm-6pm13:30-18:00 in IST which corresponds to 9am-1:30pm09:00-13:30 in CET
IST to GMT call time
Best time for a conference call or a meeting is between 2:30pm-6pm14:30-18:00 in IST which corresponds to 9am-12:30pm09:00-12:30 in GMT
IST to MDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in IST which corresponds to 7:30pm-8:30pm19:30-20:30 in MDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
8:30 am08:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 pm19:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
10:00 pm22:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
9:00 pm21:00 Central Standard Time (CST). Offset UTC -6:00 hours
4:00 am04:00 Central European Time (CET). Offset UTC +1:00 hour
3:00 am03:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
8:00 pm20:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
8:30 am08:30 IST / 7:00 pm19:00 PST / 10:00 pm22:00 EST / 9:00 pm21:00 CST / 4:00 am04:00 CET / 3:00 am03:00 GMT / 8:00 pm20:00 MST
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.
| IST | PST | EST | CST | CET | GMT | MST |
|---|---|---|---|---|---|---|
| 11:30am previous day PDT UTC-7 | 2:30pm previous day EDT UTC-4 | 1:30pm previous day CDT UTC-5 | 7:30pm previous day | 6:30pm previous day | 12:30pm previous day MDT UTC-6 | |
| 12:30pm previous day PDT UTC-7 | 3:30pm previous day EDT UTC-4 | 2:30pm previous day CDT UTC-5 | 8:30pm previous day | 7:30pm previous day | 1:30pm previous day MDT UTC-6 | |
| 1:30pm previous day PDT UTC-7 | 4:30pm previous day EDT UTC-4 | 3:30pm previous day CDT UTC-5 | 9:30pm previous day | 8:30pm previous day | 2:30pm previous day MDT UTC-6 | |
| 2:30pm previous day PDT UTC-7 | 5:30pm previous day EDT UTC-4 | 4:30pm previous day CDT UTC-5 | 10:30pm previous day | 9:30pm previous day | 3:30pm previous day MDT UTC-6 | |
| 3:30pm previous day PDT UTC-7 | 6:30pm previous day EDT UTC-4 | 5:30pm previous day CDT UTC-5 | 11:30pm previous day | 10:30pm previous day | 4:30pm previous day MDT UTC-6 | |
| 4:30pm previous day PDT UTC-7 | 7:30pm previous day EDT UTC-4 | 6:30pm previous day CDT UTC-5 | 12:30am | 11:30pm previous day | 5:30pm previous day MDT UTC-6 | |
| 5:30pm previous day PDT UTC-7 | 8:30pm previous day EDT UTC-4 | 7:30pm previous day CDT UTC-5 | 1:30am | 12:30am | 6:30pm previous day MDT UTC-6 | |
| 6:30pm previous day PDT UTC-7 | 9:30pm previous day EDT UTC-4 | 8:30pm previous day CDT UTC-5 | 2:30am | 1:30am | 7:30pm previous day MDT UTC-6 | |
| 7:30pm previous day PDT UTC-7 | 10:30pm previous day EDT UTC-4 | 9:30pm previous day CDT UTC-5 | 3:30am | 2:30am | 8:30pm previous day MDT UTC-6 | |
| 8:30pm previous day PDT UTC-7 | 11:30pm previous day EDT UTC-4 | 10:30pm previous day CDT UTC-5 | 4:30am | 3:30am | 9:30pm previous day MDT UTC-6 | |
| 9:30pm previous day PDT UTC-7 | 12:30am EDT UTC-4 | 11:30pm previous day CDT UTC-5 | 5:30am | 4:30am | 10:30pm previous day MDT UTC-6 | |
| 10:30pm previous day PDT UTC-7 | 1:30am EDT UTC-4 | 12:30am CDT UTC-5 | 6:30am | 5:30am | 11:30pm previous day MDT UTC-6 | |
| 11:30pm previous day PDT UTC-7 | 1:30am | 1:30am CDT UTC-5 | 7:30am | 6:30am | 12:30am MDT UTC-6 | |
| 12:30am PDT UTC-7 | 2:30am | 1:30am | 8:30am | 7:30am | 1:30am MDT UTC-6 | |
| 1:30am PDT UTC-7 | 3:30am | 2:30am | 9:30am | 8:30am | 1:30am | |
| 1:30am | 4:30am | 3:30am | 10:30am | 9:30am | 2:30am | |
| 2:30am | 5:30am | 4:30am | 11:30am | 10:30am | 3:30am | |
| 3:30am | 6:30am | 5:30am | 12:30pm | 11:30am | 4:30am | |
| 4:30am | 7:30am | 6:30am | 1:30pm | 12:30pm | 5:30am | |
| 5:30am | 8:30am | 7:30am | 2:30pm | 1:30pm | 6:30am | |
| 6:30am | 9:30am | 8:30am | 3:30pm | 2:30pm | 7:30am | |
| 7:30am | 10:30am | 9:30am | 4:30pm | 3:30pm | 8:30am | |
| 8:30am | 11:30am | 10:30am | 5:30pm | 4:30pm | 9:30am | |
| 9:30am | 12:30pm | 11:30am | 6:30pm | 5:30pm | 10:30am | |
| 11:30 previous day PDT UTC-7 | 14:30 previous day EDT UTC-4 | 13:30 previous day CDT UTC-5 | 19:30 previous day | 18:30 previous day | 12:30 previous day MDT UTC-6 | |
| 12:30 previous day PDT UTC-7 | 15:30 previous day EDT UTC-4 | 14:30 previous day CDT UTC-5 | 20:30 previous day | 19:30 previous day | 13:30 previous day MDT UTC-6 | |
| 13:30 previous day PDT UTC-7 | 16:30 previous day EDT UTC-4 | 15:30 previous day CDT UTC-5 | 21:30 previous day | 20:30 previous day | 14:30 previous day MDT UTC-6 | |
| 14:30 previous day PDT UTC-7 | 17:30 previous day EDT UTC-4 | 16:30 previous day CDT UTC-5 | 22:30 previous day | 21:30 previous day | 15:30 previous day MDT UTC-6 | |
| 15:30 previous day PDT UTC-7 | 18:30 previous day EDT UTC-4 | 17:30 previous day CDT UTC-5 | 23:30 previous day | 22:30 previous day | 16:30 previous day MDT UTC-6 | |
| 16:30 previous day PDT UTC-7 | 19:30 previous day EDT UTC-4 | 18:30 previous day CDT UTC-5 | 00:30 | 23:30 previous day | 17:30 previous day MDT UTC-6 | |
| 17:30 previous day PDT UTC-7 | 20:30 previous day EDT UTC-4 | 19:30 previous day CDT UTC-5 | 01:30 | 00:30 | 18:30 previous day MDT UTC-6 | |
| 18:30 previous day PDT UTC-7 | 21:30 previous day EDT UTC-4 | 20:30 previous day CDT UTC-5 | 02:30 | 01:30 | 19:30 previous day MDT UTC-6 | |
| 19:30 previous day PDT UTC-7 | 22:30 previous day EDT UTC-4 | 21:30 previous day CDT UTC-5 | 03:30 | 02:30 | 20:30 previous day MDT UTC-6 | |
| 20:30 previous day PDT UTC-7 | 23:30 previous day EDT UTC-4 | 22:30 previous day CDT UTC-5 | 04:30 | 03:30 | 21:30 previous day MDT UTC-6 | |
| 21:30 previous day PDT UTC-7 | 00:30 EDT UTC-4 | 23:30 previous day CDT UTC-5 | 05:30 | 04:30 | 22:30 previous day MDT UTC-6 | |
| 22:30 previous day PDT UTC-7 | 01:30 EDT UTC-4 | 00:30 CDT UTC-5 | 06:30 | 05:30 | 23:30 previous day MDT UTC-6 | |
| 23:30 previous day PDT UTC-7 | 01:30 | 01:30 CDT UTC-5 | 07:30 | 06:30 | 00:30 MDT UTC-6 | |
| 00:30 PDT UTC-7 | 02:30 | 01:30 | 08:30 | 07:30 | 01:30 MDT UTC-6 | |
| 01:30 PDT UTC-7 | 03:30 | 02:30 | 09:30 | 08:30 | 01:30 | |
| 01:30 | 04:30 | 03:30 | 10:30 | 09:30 | 02:30 | |
| 02:30 | 05:30 | 04:30 | 11:30 | 10:30 | 03:30 | |
| 03:30 | 06:30 | 05:30 | 12:30 | 11:30 | 04:30 | |
| 04:30 | 07:30 | 06:30 | 13:30 | 12:30 | 05:30 | |
| 05:30 | 08:30 | 07:30 | 14:30 | 13:30 | 06:30 | |
| 06:30 | 09:30 | 08:30 | 15:30 | 14:30 | 07:30 | |
| 07:30 | 10:30 | 09:30 | 16:30 | 15:30 | 08:30 | |
| 08:30 | 11:30 | 10:30 | 17:30 | 16:30 | 09:30 | |
| 09:30 | 12:30 | 11:30 | 18:30 | 17:30 | 10:30 |
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
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 the shaded areas are on UTC−8 (Pacific Standard Time).
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Pacific Standard Time (PST).
End: Pacific Daylight Time (PDT) 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: Pacific Daylight Time (PDT) 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.
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
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
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
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
Today 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).
Start: Central European Time (CET) started on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.
End: Central European Time (CET) ends on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.
CET representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +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.
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
- 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
- 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
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 all shaded areas are on GMT.
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
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Denver, El Paso, Albuquerque, Colorado Springs.
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
Today the shaded areas are on UTC−7 (MST).
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).
End: Mountain Daylight Time (MDT) 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: Mountain Daylight Time (MDT) 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.
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 an offset of six hours 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