Oklahoma, USA
CST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CT
Central Time
GMT -6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
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.

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

Time Difference

CST (Central Standard Time) is 0 hours ahead of Central Time and 7 hours behind Western European Summer Time
6:00 am06:00 in Oklahoma City, OK, USA is 6:00 am06:00 in CT and is 1:00 pm13:00 in WEST

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

6:00 am06:00 CST (Central Standard Time) (Oklahoma City, OK, USA). Offset UTC -6:00 hours
6:00 am06:00 Central Time (CT). Offset UTC -6:00 hours
1:00 pm13:00 Western European Summer Time (WEST). Offset UTC +1:00 hour

6:00 am06:00 Oklahoma City, OK, USA / 6:00 am06:00 CT / 1:00 pm13:00 WEST

Oklahoma City, OK, USACTWEST
12am (midnight)12am (midnight)7am
1am1am8am
2am2am9am
3am3am10am
4am4am11am
5am5am12pm (noon)
6am6am1pm
7am7am2pm
8am8am3pm
9am9am4pm
10am10am5pm
11am11am6pm
12pm (noon)12pm (noon)7pm
1pm1pm8pm
2pm2pm9pm
3pm3pm10pm
4pm4pm11pm
5pm5pm12am (midnight)
6pm6pm1am
7pm7pm2am
8pm8pm3am
9pm9pm4am
10pm10pm5am
11pm11pm6am
00:0000:0007:00
01:0001:0008:00
02:0002:0009:00
03:0003:0010:00
04:0004:0011:00
05:0005:0012:00
06:0006:0013:00
07:0007:0014:00
08:0008:0015:00
09:0009:0016:00
10:0010:0017:00
11:0011:0018:00
12:0012:0019:00
13:0013:0020:00
14:0014:0021:00
15:0015:0022:00
16:0016:0023:00
17:0017:0000:00
18:0018:0001:00
19:0019:0002:00
20:0020:0003:00
21:0021:0004:00
22:0022:0005:00
23:0023:0006:00

Oklahoma City Information

Time Zone

Abbreviation / Name
CDT - Central Daylight Time
CST - Central Standard Time
UTC / GMT Offset
-5:00 hours during Central Daylight Time, currently in use.
-6:00 hours during Central Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3amSunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1amSunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Oklahoma City Facts

Country
USA
State
Oklahoma
Alternative Names
Aklakhoma-Sici, Caayr Oklahoma, Cathair Oklahoma, Dinas Oklahoma, Kota Oklahoma, Kutha Oklahoma, Lungsod ng Oklahoma, Maxeponoe, Maxepónoe, OKC, Oklachoma Siti, Oklahoma, Oklahoma Ceety, Oklahoma City, Oklahoma Sites, Oklahoma Siti, Oklahoma Sitis, Oklahoma Sitės, Oklahoma Station, Oklahoma llaqta, Oklahomasitija, Oklahomaurbo, Oklakhoma, Oklakhoma Siti, Oklakhoma-Siti, Oklakhomae-Siti, Oklaxoma Shehiri, aklahma syty, ao ke la he ma shi, awklahwma syty, e ke la he ma cheng, okalahoma siti, okeullahomasiti, oklahoma nakaram, oklahoma siti, oklahoma-siti, okurahomashiti, xo khla ho ma si ti, Οκλαχόμα Σίτι, Аклахома-Сіці, Оклахомæ-Сити, Оклахома, Оклахома Сити, Оклахома-Сити, Оклахома-Сіті, Օկլահոմա Սիթի, אוקלהומה סיטי, أوكلاهوما سيتي, اوکلاہوما شہر، اوکلاہوما, اکلاهما سیتی, ओक्लाहोमा सिटी, ওকলাহোমা সিটি, ஓக்லஹோமா நகரம், โอคลาโฮมาซิตี, ოკლაჰომა-სიტი, ოქლაჰომა-სითი, オクラホマシティ, 俄克拉荷馬城, 奧克拉荷馬市, 오클라호마시티
Population
631,346
Currency
Dollar (USD)
Geographic Coordinates
35° 28' N Latitude / 97° 30' W Longitude
International Dialing Code
+1

Central Time

Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.

Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.

Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Iztapalapa, Ecatepec.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

CT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CT
  • S - short form of 'Sierra'
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

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