Colombo to London Time Converter

Updating current time…
Colombo
Sri LankaSLST
UTC+5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London
United KingdomGMT
UTC+0
5h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:30 pm17:30 SLST (UTC+5:30), Oct 27, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 27, 2026

Colombo is 5 hours and 30 minutes ahead of London.

How the time difference changes

For most of the year, Colombo is 4 hours and 30 minutes ahead of London. From Oct 25, 2026 to Mar 28, 2027, Colombo is 5 hours and 30 minutes ahead of London.

For most of the year, working hours of 9:00 am to 6:00 pm in Colombo correspond to 4:30 am to 1:30 pm in London. At other times of the year, working hours of 9:00 am to 6:00 pm in Colombo correspond to 3:30 am to 12:30 pm in London.For most of the year, working hours of 09:00 to 18:00 in Colombo correspond to 04:30 to 13:30 in London. At other times of the year, working hours of 09:00 to 18:00 in Colombo correspond to 03:30 to 12:30 in London.

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

Time Difference

SLST (Sri Lanka Standard Time) is 5 hours and 30 minutes ahead of GMT (Greenwich Mean Time).
5:30 pm17:30 in Colombo, Sri Lanka is 12:00 pm12:00 in London, United Kingdom

Colombo to London call time
Best time for a conference call or a meeting is between 2:30pm-6pm14:30-18:00 in Colombo which corresponds to 9am-12:30pm09:00-12:30 in London

5:30 pm17:30 SLST (Sri Lanka Standard Time) (Colombo, Sri Lanka). Offset UTC +5:30 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours

5:30 pm17:30 Colombo, Sri Lanka / 12:00 pm12:00 London, United Kingdom

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
Colombo, Sri LankaLondon, United Kingdom
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Colombo Time Zone and Facts

Time Zone

Abbreviation / Offset
SLST – Sri Lanka Standard Time, UTC+5:30 (no daylight saving time)

Colombo Facts

Country
Sri Lanka
Alternative Names
CMB, Colombo, Columbo, Columbum, Kalomba, Kolombas, Kolombo, Kolompo, Kolonbo, ge lin bao, kalambo, kalombo, ke lun po, kealambea, kholambo, klmbw, kolabo, kolambo, kollombo, kolumpu, kolunbu, koronbo, kwlmbw, kwlwmbw, qwlwmbw, Κολόμπο, Каломба, Коломбо, Կոլոմբո, קולומבו, كولمبو, كولومبو, کلمبو, کولمبو, ކޮޅުނބު, कोलंबो, कोलम्बो, কলম্বো, ਕੋਲੰਬੋ, કોલંબો, କଲୋମ୍ବୋ, கொழும்பு, కొలంబో, ಕೊಲಂಬೊ, കൊളംബോ, කොළඹ, ෙකාළඹ, โคลัมโบ, ཁོ་ལུམ་པོ།, ကိုလံဘိုမြို့, კოლომბო, ኮሎምቦ, コロンボ, 可倫坡, 哥林堡, 콜롬보
Population
648,034
Currency
Rupee (LKR)
Geographic Coordinates
6° 56' N Latitude / 79° 50' E Longitude
International Dialing Code
+94
More About Colombo
Colombo local time and city facts

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