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EDT
12am
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6am
9am
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BrazilBRT
UTC−3
tomorrow (next day)
1h ahead
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Quick answers

Selected conversion

11:00 pm23:00 EDT (UTC-4), Oct 31, 2026 = 12:00 am00:00 BRT (UTC-3), Nov 1, 2026

EDT is 1 hour behind Porto Alegre.

How the time difference changes

For most of the year, EDT is 1 hour behind Porto Alegre. From Nov 1, 2026 to Mar 14, 2027, EST is 2 hours behind Porto Alegre.

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 Porto Alegre. 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 Porto Alegre.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 10:00 to 19:00 in Porto Alegre. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 11:00 to 20:00 in Porto Alegre.

Compare EDT time with Porto Alegre 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 behind BRT (Brasilia Time).
11:00 pm23:00 in EDT is 12:00 am00:00 in Porto Alegre, Brazil

EDT to Porto Alegre call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in EDT which corresponds to 10am-6pm10:00-18:00 in Porto Alegre

11:00 pm23:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
12:00 am00:00 BRT (Brasilia Time) (Porto Alegre, Brazil). Offset UTC -3:00 hours

11:00 pm23:00 EDT / 12:00 am00:00 Porto Alegre, Brazil

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.

Hourly time comparison
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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

Porto Alegre Time Zone and Facts

Time Zone

Abbreviation / Offset
BRT – Brasilia Time, UTC-3 (no daylight saving time)

Porto Alegre Facts

Country
Brazil
Alternative Names
POA, Porto Alegre, Porto Alegri, Porto Alegrė, Porto Alenkre, Porto de Sao Francisco dos Casaes, Porto-Alegro, Portu-Alegre, Portu-Alegri, Portu-Alegry, Portualegri, Portus Alacer, Puerto Alegre, Pôrto de São Francisco dos Casaes, a lei ge li gang, bwrtw alyghry, parto alegre, poleutuallegeuli, portu alegri, pwrtw algrh, Πόρτο Αλέγκρε, Порто Алегре, Порто Алегри, Порту-Алегре, Порту-Алегри, Порту-Алегры, Порту-Алегрі, פורטו אלגרה, بورتو أليغري, پورتو الگره, پورتو الیگرے, पोर्तू अलेग्री, পর্টো আলেগ্রে, პორტუ-ალეგრი, ポルト・アレグレ, 阿雷格里港, 포르투알레그리
Population
1,488,252
Currency
Real (BRL)
Geographic Coordinates
30° 01' S Latitude / 51° 13' W Longitude
International Dialing Code
+55