EDT to CDT to MST to PDT Time Converter
Mountain Time is on daylight saving time: MDT (UTC−6) until Sun, Nov 1.
Arizona stays on MST (UTC−7).
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Selected conversion
8:00 am08:00 EDT (UTC-4), Oct 18, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 18, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 18, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 18, 2026
EDT is 1 hour ahead of CDT. EDT is 2 hours ahead of MDT. EDT is 3 hours ahead of PDT.
How the time difference changes
EDT to CDT
For most of the year, EDT is 1 hour ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, EST is 1 hour ahead of CST. Briefly around clock changes, EDT is 2 hours ahead of CST or EST and CDT have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 8:00 am to 5:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 8:00 am to 5:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 08:00 to 17:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 08:00 to 17:00 in CST.
EDT to MST
For most of the year, EDT is 2 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, EST is 2 hours ahead of MST. Briefly around clock changes, EDT is 3 hours ahead of MST or EST is 1 hour ahead of MDT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 7:00 am to 4:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 7:00 am to 4:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 07:00 to 16:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 07:00 to 16:00 in MST.
EDT to PDT
For most of the year, EDT is 3 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, EST is 3 hours ahead of PST. Briefly around clock changes, EDT is 4 hours ahead of PST or EST is 2 hours ahead of PDT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 6:00 am to 3:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 6:00 am to 3:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 06:00 to 15:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 06:00 to 15:00 in PST.
Compare EDT time with CDT, MST, and PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Daylight Time is 1 hour ahead of Central Daylight Time. Eastern Daylight Time is 2 hours ahead of Mountain Daylight Time. Eastern Daylight Time is 3 hours ahead of Pacific Daylight Time.
8:00 am08:00 in EDT is 7:00 am07:00 in CDT and is 6:00 am06:00 in MDT and is 5:00 am05:00 in PDT
EDT to CDT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in EDT which corresponds to 9am-5pm09:00-17:00 in CDT
EDT to MDT call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in EDT which corresponds to 9am-4pm09:00-16:00 in MDT
EDT to PDT call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in EDT which corresponds to 9am-3pm09:00-15:00 in PDT
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
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.
| EDT | CDT | MDT | PDT |
|---|---|---|---|
| 11:00pm previous day | 10:00pm previous day | 9:00pm previous day | |
| 12:00am | 11:00pm previous day | 10:00pm previous day | |
| 1:00am | 12:00am | 11:00pm previous day | |
| 2:00am | 1:00am | 12:00am | |
| 3:00am | 2:00am | 1:00am | |
| 4:00am | 3:00am | 2:00am | |
| 5:00am | 4:00am | 3:00am | |
| 6:00am | 5:00am | 4:00am | |
| 7:00am | 6:00am | 5:00am | |
| 8:00am | 7:00am | 6:00am | |
| 9:00am | 8:00am | 7:00am | |
| 10:00am | 9:00am | 8:00am | |
| 11:00am | 10:00am | 9:00am | |
| 12:00pm | 11:00am | 10:00am | |
| 1:00pm | 12:00pm | 11:00am | |
| 2:00pm | 1:00pm | 12:00pm | |
| 3:00pm | 2:00pm | 1:00pm | |
| 4:00pm | 3:00pm | 2:00pm | |
| 5:00pm | 4:00pm | 3:00pm | |
| 6:00pm | 5:00pm | 4:00pm | |
| 7:00pm | 6:00pm | 5:00pm | |
| 8:00pm | 7:00pm | 6:00pm | |
| 9:00pm | 8:00pm | 7:00pm | |
| 10:00pm | 9:00pm | 8:00pm | |
| 23:00 previous day | 22:00 previous day | 21:00 previous day | |
| 00:00 | 23:00 previous day | 22:00 previous day | |
| 01:00 | 00:00 | 23:00 previous day | |
| 02:00 | 01:00 | 00:00 | |
| 03:00 | 02:00 | 01:00 | |
| 04:00 | 03:00 | 02:00 | |
| 05:00 | 04:00 | 03:00 | |
| 06:00 | 05:00 | 04:00 | |
| 07:00 | 06:00 | 05:00 | |
| 08:00 | 07:00 | 06:00 | |
| 09:00 | 08:00 | 07:00 | |
| 10:00 | 09:00 | 08:00 | |
| 11:00 | 10:00 | 09:00 | |
| 12:00 | 11:00 | 10:00 | |
| 13:00 | 12:00 | 11:00 | |
| 14:00 | 13:00 | 12:00 | |
| 15:00 | 14:00 | 13:00 | |
| 16:00 | 15:00 | 14:00 | |
| 17:00 | 16:00 | 15:00 | |
| 18:00 | 17:00 | 16:00 | |
| 19:00 | 18:00 | 17:00 | |
| 20:00 | 19:00 | 18:00 | |
| 21:00 | 20:00 | 19:00 | |
| 22:00 | 21:00 | 20:00 |
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 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 all shaded areas are on CDT.
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) 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: Central Daylight Time (CDT) 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.
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
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