London to CT Time Converter

Updating current time…
London
United KingdomGMT
UTC+0
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CT
Central Time
UTC−6
6h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

3:30 pm15:30 GMT (UTC+0), Nov 1, 2026 = 9:30 am09:30 CT (UTC-6), Nov 1, 2026

London is 6 hours ahead of CT.

How the time difference changes

For most of the year, London is 6 hours ahead of CT. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, London is 5 hours ahead of CT.

For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 3:00 am to 12:00 pm in CT. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 4:00 am to 1:00 pm in CT.For most of the year, working hours of 09:00 to 18:00 in London correspond to 03:00 to 12:00 in CT. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 04:00 to 13:00 in CT.

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

Time Difference

GMT (Greenwich Mean Time) is 6 hours ahead of Central Time.
3:30 pm15:30 in London, United Kingdom is 9:30 am09:30 in CT

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

3:30 pm15:30 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
9:30 am09:30 Central Time (CT). Offset UTC -6:00 hours

3:30 pm15:30 London, United Kingdom / 9:30 am09:30 CT

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
London, United KingdomCT
7:00pm previous day CDT UTC-5
8:00pm previous day CDT UTC-5
9:00pm previous day CDT UTC-5
10:00pm previous day CDT UTC-5
11:00pm previous day CDT UTC-5
12:00am CDT UTC-5
1:00am CDT UTC-5
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19:00 previous day CDT UTC-5
20:00 previous day CDT UTC-5
21:00 previous day CDT UTC-5
22:00 previous day CDT UTC-5
23:00 previous day CDT UTC-5
00:00 CDT UTC-5
01:00 CDT UTC-5
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London Time Zone and Facts

Time Zone

Abbreviation / Offset
GMT – Greenwich Mean Time, UTC+0 (now)
BST – British Summer Time, UTC+1 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 1:00 amSunday, March 28, 2027 at 01:00: clocks go forward 1 hour to 2:00 am02:00 (BST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
123456789101112Sunday, October 31, 2027 at 2:00 amSunday, October 31, 2027 at 02:00: clocks go back 1 hour to 1:00 am01:00 (GMT). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.
Clock Changes
United Kingdom daylight saving time · Clock changes worldwide

London Facts

Country
United Kingdom
Alternative Names
ILondon, LON, Lakana, Landan, Landen, Ljondan, Llundain, Lodoni, Londain, Londan, Londar, Londe, Londen, Londin, Londinium, Londino, Londn, London, London osh, Londona, Londonas, Londoni, Londono, Londons, Londonu, Londra, Londres, Londrez, Londri, Londro, Londye, Londyn, Londýn, Lonn, Lontoo, Loundres, Luan GJon, Lun-tun, Lunden, Lundra, Lundun, Lundunir, Lundúnir, Lung-dung, Lunnainn, Lunnin, Lunnon, Luân Đôn, Lùn-tûn, Lùng-dŭng, Lûn-tun, Lākana, Lůndůn, Lọndọnu, Ranana, Rānana, ilantan, ladana, landan, landana, leondeon, lndn, london, londoni, lun dui, lun dun, lwndwn, lxndxn, rondon, Łondra, Λονδίνο, Лондан, Лондон, Лондон ош, Лондонъ, Лёндан, Լոնդոն, לאנדאן, לונדון, لأندأن, لندن, لوندون, لەندەن, ܠܘܢܕܘܢ, लंडन, लंदन, लण्डन, लन्डन्, लन्दन, লন্ডন, ਲੰਡਨ, લંડન, ଲଣ୍ଡନ, இலண்டன், లండన్, ಲಂಡನ್, ലണ്ടൻ, ලන්ඩන්, ลอนดอน, ລອນດອນ, ལོན་ཊོན།, လန်ဒန်မြို့, ლონდონი, ለንደን, ᎫᎴ ᏗᏍᎪᏂᎯᏱ, ロンドン, 伦敦, 倫敦, 런던
Population
8,961,989
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44
More About London
London time now
Current Time in the United Kingdom
UK time now

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, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CT time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

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

Map of the areas on Central Time (CT)
CT all year CT part of the year

Today all shaded areas are on CT.

Open the world time zone map© OpenStreetMap

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