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WEST to CDT Converter

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WEST
Western European Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WEST is not used on this date
This converter keeps WEST at GMT +1. Lisbon uses WET (GMT +0) on this date. Open the WET converter, or choose Lisbon, Las Palmas de Gran Canaria, or Porto for city-specific time.
CST/CDT
Central Standard Time
GMT -6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CDT is not used on this date
This converter uses CST (GMT -6), the offset Chicago uses on this date. Open the CST converter.

Quick answers

Selected conversion

The selected date and time will appear here when the converter loads.

WEST and CDT examples

These examples always use WEST (UTC+1) and CDT (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

WEST is 6 hours ahead of CDT.

How the time difference changes

For most of the year, WEST is 6 hours ahead of CDT. At other times of the year, WEST is 7 hours ahead of CST.

For most of the year, working hours of 9:00 am to 5:00 pm in WEST correspond to 3:00 am to 11:00 am in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in WEST correspond to 2:00 am to 10:00 am in CST.

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

Time Difference

Western European Summer Time is 7 hours ahead of Central Standard Time
1:00 pm13:00 in WEST is 6:00 am06:00 in CST

WEST to CST call time
Best time for a conference call or a meeting is between 4pm-5pm in WEST which corresponds to 9am-10am in CST

1:00 pm13:00 Western European Summer Time (WEST). Offset UTC +1:00 hour
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours

1:00 pm13:00 WEST / 6:00 am06:00 CST

WESTCST
12am (midnight)5pm
1am6pm
2am7pm
3am8pm
4am9pm
5am10pm
6am11pm
7am12am (midnight)
8am1am
9am2am
10am3am
11am4am
12pm (noon)5am
1pm6am
2pm7am
3pm8am
4pm9am
5pm10am
6pm11am
7pm12pm (noon)
8pm1pm
9pm2pm
10pm3pm
11pm4pm
00:0017:00
01:0018:00
02:0019:00
03:0020:00
04:0021:00
05:0022:00
06:0023:00
07:0000:00
08:0001:00
09:0002:00
10:0003:00
11:0004:00
12:0005:00
13:0006:00
14:0007:00
15:0008:00
16:0009:00
17:0010:00
18:0011:00
19:0012:00
20:0013:00
21:0014:00
22:0015:00
23:0016:00

Western European Summer Time

Offset: WEST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

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

Principal Cities: The largest city in the WEST 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, Amadora.

German: WESZ - Westeuropäische Sommerzeit

WEST Time Zone Geo Map
WEST timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Western European Summer Time (WEST) ended on Sunday, October 26, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the last Sunday of October

Daylight saving time clock moves back for one hour from 1am to 12amStart: Western European Summer Time (WEST) starts on Sunday, March 29, 2026 at 1:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 2:00 am. Daylight saving starts annually on the last Sunday of March

WEST 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 WEST
  • A - short form of 'Alpha'
IANA/Olson: Reflects WEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Atlantic/Canary
  • Atlantic/Faeroe
  • Atlantic/Faroe
  • Atlantic/Madeira
  • Europe/Lisbon
  • Portugal
  • WET
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

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.696 million people. Other major cities in this time zone include Houston, Ciudad Juarez, San Antonio, Dallas.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map
CDT timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Central Daylight Time (CDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November

Daylight saving time clock moves back for one hour from 2am to 1amStart: Central Daylight Time (CDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • 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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT