Port Williams to EST Time Converter
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Quick answers
Selected conversion
9:00 am09:00 ADT (UTC-3), Oct 27, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 27, 2026
Port Williams is 1 hour ahead of EDT.
How the time difference changes
For most of the year, Port Williams is 1 hour ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, Port Williams is 1 hour ahead of EST. Briefly around clock changes, Port Williams is 2 hours ahead of EST or Port Williams and EDT have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in Port Williams correspond to 8:00 am to 5:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Port Williams correspond to 8:00 am to 5:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in Port Williams correspond to 08:00 to 17:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in Port Williams correspond to 08:00 to 17:00 in EST.
Compare Port Williams time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
ADT (Atlantic Daylight Time) is 1 hour ahead of Eastern Daylight Time.
9:00 am09:00 in Port Williams, Canada is 8:00 am08:00 in EDT
Port Williams to EDT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Port Williams which corresponds to 9am-5pm09:00-17:00 in EDT
9:00 am09:00 ADT (Atlantic Daylight Time) (Port Williams, Canada). Offset UTC -3:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
9:00 am09:00 Port Williams, Canada / 8:00 am08:00 EDT
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Port Williams Time Zone and Facts
Time Zone
AST – Atlantic Standard Time, UTC-4 (standard time)
Port Williams Facts
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