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EST/EDT
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Eastern Time is on standard time: EST (UTC−5) until Sun, Mar 14, 2027.
WESZ
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WESZ is not used on this date
This converter keeps WESZ at UTC+1. Lisbon uses WET (UTC+0) on this date. Open the WET converter, or choose Lisbon, Las Palmas de Gran Canaria, or Porto for city-specific time.

Quick answers

Selected conversion

10:00 am10:00 EST (UTC-5), Nov 1, 2026 = 4:00 pm16:00 WESZ (UTC+1), Nov 1, 2026

EST is 6 hours behind WESZ.

EDT and WESZ examples

These examples always use EDT (UTC-4) and WESZ (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

EDT is 5 hours behind WESZ.

How the time difference changes

For most of the year, EDT is 5 hours behind WESZ. From Nov 1, 2026 to Mar 14, 2027, EST is 6 hours behind WESZ.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 2:00 pm to 11:00 pm in WESZ. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 3:00 pm to 12:00 am (next day) in WESZ.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 14:00 to 23:00 in WESZ. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 15:00 to 00:00 (next day) in WESZ.

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

Time Difference

Eastern Standard Time is 6 hours behind Westeuropäische Sommerzeit.
10:00 am10:00 in EST is 4:00 pm16:00 in WESZ

EST to WESZ call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in EST which corresponds to 3pm-6pm15:00-18:00 in WESZ

10:00 am10:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
4:00 pm16:00 Westeuropäische Sommerzeit (WESZ). Offset UTC +1:00 hour

10:00 am10:00 EST / 4:00 pm16:00 WESZ

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 the shaded areas are on UTC−5 (EST).

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Eastern Standard Time (EST).

123456789101112End: Eastern Daylight Time (EDT) 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.

123456789101112Start: Eastern Daylight Time (EDT) 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.

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

Westeuropäische Sommerzeit

Offset: WESZ is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Faroe Islands, Portugal, Spain

Principal Cities: The largest city in the WESZ time zone is Lisbon in Portugal, with about 517,802 people. Other major cities in this time zone include Las Palmas de Gran Canaria, Porto, Santa Cruz de Tenerife, Braga.

Map of the areas on Westeuropäische Sommerzeit (WESZ)
WESZ part of the year

Today the shaded areas are on UTC+0 (WET).

Daylight Saving: Westeuropäische Sommerzeit (WESZ) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Western European Time (WET).

123456789101112End: Westeuropäische Sommerzeit (WESZ) ended on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

123456789101112Start: Westeuropäische Sommerzeit (WESZ) starts on Sunday, March 28, 2027 at 1:00 am01:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

See Portugal daylight saving time and upcoming clock changes worldwide.

WESZ representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for WESZ
  • A - short form of 'Alpha'
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time