Updating current time…
EDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PortugalAZOT
UTC−1
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 EDT (UTC-4), Oct 28, 2026 = 11:00 am11:00 AZOT (UTC-1), Oct 28, 2026

EDT is 3 hours behind Sao Mateus.

How the time difference changes

For most of the year, EDT is 4 hours behind Sao Mateus, Portugal. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, EDT is 3 hours behind Sao Mateus, Portugal. From Nov 1, 2026 to Mar 14, 2027, EST is 4 hours behind Sao Mateus, Portugal.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 1:00 pm to 10:00 pm in Sao Mateus, Portugal. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 1:00 pm to 10:00 pm in Sao Mateus, Portugal or working hours of 9:00 am to 6:00 pm in EDT correspond to 12:00 pm to 9:00 pm in Sao Mateus, Portugal.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 13:00 to 22:00 in Sao Mateus, Portugal. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 13:00 to 22:00 in Sao Mateus, Portugal or working hours of 09:00 to 18:00 in EDT correspond to 12:00 to 21:00 in Sao Mateus, Portugal.

Compare EDT time with Sao Mateus time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Eastern Daylight Time is 3 hours behind AZOT (Azores Time).
8:00 am08:00 in EDT is 11:00 am11:00 in Sao Mateus, Portugal

EDT to Sao Mateus call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in EDT which corresponds to 12pm-6pm12:00-18:00 in Sao Mateus

8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:00 am11:00 AZOT (Azores Time) (Sao Mateus, Portugal). Offset UTC -1:00 hours

8:00 am08:00 EDT / 11:00 am11:00 Sao Mateus, Portugal

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Hourly time comparison
EDTSao Mateus, Portugal
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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

Map of the areas on Eastern Daylight Time (EDT)
EDT part of the year

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).

123456789101112Start: 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.

123456789101112End: 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
Time zones with the GMT -4 offset:
  • 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

Sao Mateus Time Zone and Facts

Time Zone

Abbreviation / Offset
AZOT – Azores Time, UTC-1 (now)
AZOST – Azores Summer Time, UTC+0 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 12:00 amSunday, March 28, 2027 at 00:00: clocks go forward 1 hour to 1:00 am01:00 (AZOST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 1:00 amSunday, October 31, 2027 at 01:00: clocks go back 1 hour to 12:00 am00:00 (AZOT). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.

Sao Mateus Facts

Country
Portugal
Population
3,757
Currency
Euro (EUR)
Geographic Coordinates
38° 39' N Latitude / 27° 16' W Longitude
International Dialing Code
+351