COT to EST Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
7:00 am07:00 COT (UTC-5), Oct 27, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 27, 2026
COT is 1 hour behind EDT.
COT and EST (US winter time, UTC-5) examples
These examples always use COT (UTC-5) and EST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
COT and EST have the same local time.
EST is US Eastern winter time (early November to mid-March). The rest of the year New York uses EDT (UTC-4), one hour later. For Eastern Time that follows daylight saving time, use COT to ET. For daylight-time examples, use COT to EDT.
How the time difference changes
For most of the year, COT is 1 hour behind EDT. From Nov 1, 2026 to Mar 14, 2027, COT and EST have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in COT correspond to 10:00 am to 7:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in COT correspond to 9:00 am to 6:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in COT correspond to 10:00 to 19:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in COT correspond to 09:00 to 18:00 in EST.
Compare COT time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Colombia Time is 1 hour behind Eastern Daylight Time.
7:00 am07:00 in COT is 8:00 am08:00 in EDT
COT to EDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in COT which corresponds to 10am-6pm10:00-18:00 in EDT
7:00 am07:00 Colombia Time (COT). Offset UTC -5:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
7:00 am07:00 COT / 8:00 am08:00 EDT
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.
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Colombia Time
Offset: COT is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Colombia
Principal Cities: The largest city in the COT time zone is Bogotá in Colombia, with about 7.674 million people. Other major cities in this time zone include Cali, Medellín, Barranquilla, Cartagena.
Daylight Saving: Clocks in Colombia Time (COT) do not change for daylight saving time, so COT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
COT 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 COT
- R - short form of 'Romeo'
- 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
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 the lighter areas are on UTC−4 (EDT).
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).
End: Eastern Standard Time (EST) 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: Eastern Standard Time (EST) 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.
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