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UTC
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WESZ
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WESZ is not used on this date
This converter keeps WESZ at UTC+1. Casablanca 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

12:00 pm12:00 UTC (UTC+0), Oct 14, 2026 = 1:00 pm13:00 WESZ (UTC+1), Oct 14, 2026

UTC is 1 hour behind WESZ.

UTC and WESZ examples

These examples always use UTC (UTC+0) 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.

UTC is 1 hour behind WESZ.

How the time difference changes

UTC is 1 hour behind WESZ year-round.

Working hours of 9:00 am to 5:00 pm in UTC correspond to 10:00 am to 6:00 pm in WESZ.Working hours of 09:00 to 17:00 in UTC correspond to 10:00 to 18:00 in WESZ.

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

Time Difference

Coordinated Universal Time is 1 hour behind Westeuropäische Sommerzeit.
12:00 pm12:00 in UTC is 1:00 pm13:00 in WESZ

UTC to WESZ call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in UTC which corresponds to 10am-5pm10:00-17:00 in WESZ

12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
1:00 pm13:00 Westeuropäische Sommerzeit (WESZ). Offset UTC +1:00 hour

12:00 pm12:00 UTC / 1:00 pm13:00 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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Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

Today some of the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Westeuropäische Sommerzeit

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

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

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.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

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

Today all shaded areas are on WESZ.

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