EST to PDT to CDT to MDT to Buenos Aires Time Converter
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7:00 am07:00 EST (UTC-5), Nov 8, 2026 = 4:00 am04:00 PST (UTC-8), Nov 8, 2026 = 6:00 am06:00 CST (UTC-6), Nov 8, 2026 = 5:00 am05:00 MST (UTC-7), Nov 8, 2026 = 9:00 am09:00 ART (UTC-3), Nov 8, 2026
EST is 3 hours ahead of PST. EST is 1 hour ahead of CST. EST is 2 hours ahead of MST. EST is 2 hours behind Buenos Aires.
How the time difference changes
EST to PDT
For most of the year, EDT is 3 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, 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.
EST to CDT
For most of the year, EDT is 1 hour ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, 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.
EST to MDT
For most of the year, EDT is 2 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, 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.
EST to Buenos Aires
For most of the year, EDT is 1 hour behind Buenos Aires. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 2 hours behind Buenos Aires.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 10:00 am to 7:00 pm in Buenos Aires. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 11:00 am to 8:00 pm in Buenos Aires.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 10:00 to 19:00 in Buenos Aires. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 11:00 to 20:00 in Buenos Aires.
Compare EST time with PDT, CDT, MDT, and Buenos Aires time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Standard Time is 3 hours ahead of Pacific Standard Time. Eastern Standard Time is 1 hour ahead of Central Standard Time. Eastern Standard Time is 2 hours ahead of Mountain Standard Time. Eastern Standard Time is 2 hours behind ART (Argentina Time).
7:00 am07:00 in EST is 4:00 am04:00 in PST and is 6:00 am06:00 in CST and is 5:00 am05:00 in MST and is 9:00 am09:00 in Buenos Aires, Argentina
EST to PST call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in EST which corresponds to 9am-3pm09:00-15:00 in PST
EST to CST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in EST which corresponds to 9am-5pm09:00-17:00 in CST
EST to MST call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in EST which corresponds to 9am-4pm09:00-16:00 in MST
EST to Buenos Aires call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in EST which corresponds to 11am-6pm11:00-18:00 in Buenos Aires
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 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
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
9:00 am09:00 ART (Argentina Time) (Buenos Aires, Argentina). Offset UTC -3:00 hours
7:00 am07:00 EST / 4:00 am04:00 PST / 6:00 am06:00 CST / 5:00 am05:00 MST / 9:00 am09:00 Buenos Aires, Argentina
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.
| EST | PST | CST | MST | Buenos Aires, Argentina |
|---|---|---|---|---|
| 9:00pm previous day | 11:00pm previous day | 10:00pm previous day | 2:00am | |
| 10:00pm previous day | 12:00am | 11:00pm previous day | 3:00am | |
| 11:00pm previous day | 1:00am | 12:00am | 4:00am | |
| 12:00am | 2:00am | 1:00am | 5:00am | |
| 1:00am | 3:00am | 2:00am | 6:00am | |
| 2:00am | 4:00am | 3:00am | 7:00am | |
| 3:00am | 5:00am | 4:00am | 8:00am | |
| 4:00am | 6:00am | 5:00am | 9:00am | |
| 5:00am | 7:00am | 6:00am | 10:00am | |
| 6:00am | 8:00am | 7:00am | 11:00am | |
| 7:00am | 9:00am | 8:00am | 12:00pm | |
| 8:00am | 10:00am | 9:00am | 1:00pm | |
| 9:00am | 11:00am | 10:00am | 2:00pm | |
| 10:00am | 12:00pm | 11:00am | 3:00pm | |
| 11:00am | 1:00pm | 12:00pm | 4:00pm | |
| 12:00pm | 2:00pm | 1:00pm | 5:00pm | |
| 1:00pm | 3:00pm | 2:00pm | 6:00pm | |
| 2:00pm | 4:00pm | 3:00pm | 7:00pm | |
| 3:00pm | 5:00pm | 4:00pm | 8:00pm | |
| 4:00pm | 6:00pm | 5:00pm | 9:00pm | |
| 5:00pm | 7:00pm | 6:00pm | 10:00pm | |
| 6:00pm | 8:00pm | 7:00pm | 11:00pm | |
| 7:00pm | 9:00pm | 8:00pm | 12:00am next day | |
| 8:00pm | 10:00pm | 9:00pm | 1:00am next day | |
| 21:00 previous day | 23:00 previous day | 22:00 previous day | 02:00 | |
| 22:00 previous day | 00:00 | 23:00 previous day | 03:00 | |
| 23:00 previous day | 01:00 | 00:00 | 04:00 | |
| 00:00 | 02:00 | 01:00 | 05:00 | |
| 01:00 | 03:00 | 02:00 | 06:00 | |
| 02:00 | 04:00 | 03:00 | 07:00 | |
| 03:00 | 05:00 | 04:00 | 08:00 | |
| 04:00 | 06:00 | 05:00 | 09:00 | |
| 05:00 | 07:00 | 06:00 | 10:00 | |
| 06:00 | 08:00 | 07:00 | 11:00 | |
| 07:00 | 09:00 | 08:00 | 12:00 | |
| 08:00 | 10:00 | 09:00 | 13:00 | |
| 09:00 | 11:00 | 10:00 | 14:00 | |
| 10:00 | 12:00 | 11:00 | 15:00 | |
| 11:00 | 13:00 | 12:00 | 16:00 | |
| 12:00 | 14:00 | 13:00 | 17:00 | |
| 13:00 | 15:00 | 14:00 | 18:00 | |
| 14:00 | 16:00 | 15:00 | 19:00 | |
| 15:00 | 17:00 | 16:00 | 20:00 | |
| 16:00 | 18:00 | 17:00 | 21:00 | |
| 17:00 | 19:00 | 18:00 | 22:00 | |
| 18:00 | 20:00 | 19:00 | 23:00 | |
| 19:00 | 21:00 | 20:00 | 00:00 next day | |
| 20:00 | 22:00 | 21:00 | 01:00 next day |
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
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
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
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