United KingdomGMT
UTC+0
Fri, Nov 10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ArgentinaART
UTC−3
Fri, Nov 10
3h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SpainCET
UTC+1
Fri, Nov 10
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ColombiaCOT
UTC−5
Fri, Nov 10
5h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MexicoCST
UTC−6
Fri, Nov 10
6h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 pm13:00 GMT (UTC+0), Nov 10, 2023 = 10:00 am10:00 ART (UTC-3), Nov 10, 2023 = 2:00 pm14:00 CET (UTC+1), Nov 10, 2023 = 8:00 am08:00 COT (UTC-5), Nov 10, 2023 = 7:00 am07:00 CST (UTC-6), Nov 10, 2023

London is 3 hours ahead of Buenos Aires. London is 1 hour behind Madrid. London is 5 hours ahead of Bogotá. London is 6 hours ahead of Mexico City.

How the time difference changes

London to Buenos Aires

For most of the year, London is 4 hours ahead of Buenos Aires. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, London is 3 hours ahead of Buenos Aires.

For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 5:00 am to 2:00 pm in Buenos Aires. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 6:00 am to 3:00 pm in Buenos Aires.For most of the year, working hours of 09:00 to 18:00 in London correspond to 05:00 to 14:00 in Buenos Aires. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 06:00 to 15:00 in Buenos Aires.

London to Madrid

London is 1 hour behind Madrid year-round.

Working hours of 9:00 am to 6:00 pm in London correspond to 10:00 am to 7:00 pm in Madrid.Working hours of 09:00 to 18:00 in London correspond to 10:00 to 19:00 in Madrid.

London to Bogota

For most of the year, London is 6 hours ahead of Bogota. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, London is 5 hours ahead of Bogota.

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 Bogota. 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 Bogota.For most of the year, working hours of 09:00 to 18:00 in London correspond to 03:00 to 12:00 in Bogota. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 04:00 to 13:00 in Bogota.

London to Mexico City

For most of the year, London is 7 hours ahead of Mexico City. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, London is 6 hours ahead of Mexico City.

For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 2:00 am to 11:00 am in Mexico City. At other times 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 Mexico City.For most of the year, working hours of 09:00 to 18:00 in London correspond to 02:00 to 11:00 in Mexico City. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 03:00 to 12:00 in Mexico City.

Compare London time with Buenos Aires, Madrid, Bogota, and Mexico City 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 3 hours ahead of ART (Argentina Time). GMT (Greenwich Mean Time) is 1 hour behind CET (Central European Time). GMT (Greenwich Mean Time) is 5 hours ahead of COT (Colombia Time). GMT (Greenwich Mean Time) is 6 hours ahead of CST (Central Standard Time).
1:00 pm13:00 in London, United Kingdom is 10:00 am10:00 in Buenos Aires, Argentina and is 2:00 pm14:00 in Madrid, Spain and is 8:00 am08:00 in Bogota, Colombia and is 7:00 am07:00 in Mexico City, Mexico

London to Buenos Aires call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in London which corresponds to 9am-3pm09:00-15:00 in Buenos Aires
London to Madrid call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in London which corresponds to 10am-6pm10:00-18:00 in Madrid
London to Bogotá call time
Best time for a conference call or a meeting is between 2pm-6pm14:00-18:00 in London which corresponds to 9am-1pm09:00-13:00 in Bogotá
London to Mexico City 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 Mexico City

1:00 pm13:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
10:00 am10:00 ART (Argentina Time) (Buenos Aires, Argentina). Offset UTC -3:00 hours
2:00 pm14:00 CET (Central European Time) (Madrid, Spain). Offset UTC +1:00 hour
8:00 am08:00 COT (Colombia Time) (Bogota, Colombia). Offset UTC -5:00 hours
7:00 am07:00 CST (Central Standard Time) (Mexico City, Mexico). Offset UTC -6:00 hours

1:00 pm13:00 London, United Kingdom / 10:00 am10:00 Buenos Aires, Argentina / 2:00 pm14:00 Madrid, Spain / 8:00 am08:00 Bogota, Colombia / 7:00 am07:00 Mexico City, Mexico

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 KingdomBuenos Aires, ArgentinaMadrid, SpainBogota, ColombiaMexico City, Mexico
9:00pm previous day1:00am7:00pm previous day6:00pm previous day
10:00pm previous day2:00am8:00pm previous day7:00pm previous day
11:00pm previous day3:00am9:00pm previous day8:00pm previous day
12:00am4:00am10:00pm previous day9:00pm previous day
1:00am5:00am11:00pm previous day10:00pm previous day
2:00am6:00am12:00am11:00pm previous day
3:00am7:00am1:00am12:00am
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8:00am12:00pm6:00am5:00am
9:00am1:00pm7:00am6:00am
10:00am2:00pm8:00am7:00am
11:00am3:00pm9:00am8:00am
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1:00pm5:00pm11:00am10:00am
2:00pm6:00pm12:00pm11:00am
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6:00pm10:00pm4:00pm3:00pm
7:00pm11:00pm5:00pm4:00pm
8:00pm12:00am next day6:00pm5:00pm
21:00 previous day01:0019:00 previous day18:00 previous day
22:00 previous day02:0020:00 previous day19:00 previous day
23:00 previous day03:0021:00 previous day20:00 previous day
00:0004:0022:00 previous day21:00 previous day
01:0005:0023:00 previous day22:00 previous day
02:0006:0000:0023:00 previous day
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20:0000:00 next day18:0017:00

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.

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
Current Time in the United Kingdom

Buenos Aires Time Zone and Facts

Time Zone

Abbreviation / Offset
ART – Argentina Time, UTC-3 (no daylight saving time)

Buenos Aires Facts

Country
Argentina
Alternative Names
BUE, Baires, Bonaero, Bonaeropolis, Bonaëropolis, Bos Aires, Bouenos Aires, Bouonezar, Bouonézâr, Buehnas-Ajrehs, Buehnos Ajres, Buehnos-Ajres, Buehnos-Ajres osh, Buenos Aires, Buenos Airės, Buenos Ajres, Buenos Ayres, Buenos-Aires, Buenos-Ajres, Buenos-Ayres, Buenos-Aýres, Buenosairesa, Buénos Ayrés, Bwenoze, Bwènozè, Búenos Aíres, Ciudad Autonoma de Buenos Aires, Ciudad Autónoma de Buenos Aires, Ciudad de La Santisima Trinidad y Puerto de Santa Maria del Buen Ayre, Ciudad de La Santísima Trinidad y Puerto de Santa María del Buen Ayre, Lungsod ng Buenos Aires, Santa Maria del Buen Ayre, Santa María del Buen Ayre, bawnosxires, bu yi nuo si ai li si, bu'enosa a'iresa, buenos-airesi, buenosaires, buenoseuaileseu, buenosuairesu, buraenosa a'iresa, buyenosa a'iresa, bwyns ayrs, bwynws ayrs, bwynws ayrys, byu'enosa erisa, byunas airis, byunas ayels, bywns ayrs, puvenas airis, Μπουένος ΄Aιρες, Μπουένος Άιρες, Буенос Аирес, Буенос Айрес, Буенос Аірес, Буенос Ајрес, Буенос-Аирес, Буенос-Айрес, Буэнас-Айрэс, Буэнос Айрес, Буэнос-Айрес, Буэнос-Айрес ош, Բուենոս Այրես, בואנוס איירס, בוענאס איירעס, بوئنوس آیرس, بوينس آيرس, بوينوس ايريس, بۆینس ئایرس, بیونس آئرس, बुएनोस आइरेस, ब्युएनॉस एरीस, বুয়েনোস আইরেস, বুৱেনোস আইরেস, புவெனஸ் ஐரிஸ், ಬ್ಯೂನಸ್ ಐರಿಸ್, ബ്യൂണസ് അയേഴ്സ്, บัวโนสไอเรส, པུ་ཨེ་ནོ་སི་ཨས་རི་སི།, ဗျူနိုအေးရိစ်မြို့, ბუენოს-აირესი, ብዌኖስ አይሬስ, ブエノスアイレス, 布宜諾斯艾利斯, 布宜诺斯艾利斯, 부에노스아이레스
Population
2,891,082
Currency
Peso (ARS)
Geographic Coordinates
34° 36' S Latitude / 58° 22' W Longitude
International Dialing Code
+54

Madrid Time Zone and Facts

Time Zone

Abbreviation / Offset
CET – Central European Time, UTC+1 (now)
CEST – Central European Summer Time, UTC+2 (daylight saving time)
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 2:00 amSunday, March 28, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CEST). 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 3:00 amSunday, October 31, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (CET). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.

Madrid Facts

Country
Spain
Alternative Names
La Villa y Corte de Madrid, Los Madriles, Lungsod ng Madrid, MAD, Ma-daik-li, Ma-tet-li, Madrid, Madrid osh, Madridas, Madride, Madridi, Madrido, Madrids, Madril, Madrit, Madrite, Madryd, Madryt, Madríd, Madrîd, Magerit, Maidrid, Mairil, Makelika, Matritum, Mâ-tet-lî, Mā-dáik-lī, ma de li, madarida, madeulideu, madorido, madorido shi, madri, madrid, madrida, madridi, madryd, matrit, mdryd, myadrida, mydrd, Μαδρίτη, Мaдрид, Мадрид, Мадрид ош, Мадрыд, Мадрід, Մադրիդ, מאדריד, מדריד, مادرىد, مادرید, مدريد, میدرد, مەدرید, ܡܕܪܝܕ, मद्रिद, मद्रिद्, माद्रिद, माद्री, म्याड्रिड, মাদ্রিদ, ਮਾਦਰੀਦ, ମାଡ୍ରିଦ, மத்ரித், ಮಡ್ರಿಡ್, മാഡ്രിഡ്, มาดริด, མ་ད་རིད།, မဒရစ်မြို့, მადრიდი, ማድሪድ, マドリード, マドリード市, 馬德里, 马德里, 마드리드
Population
3,255,944
Currency
Euro (EUR)
Geographic Coordinates
40° 24' N Latitude / 3° 42' W Longitude
International Dialing Code
+34

Bogotá Time Zone and Facts

Time Zone

Abbreviation / Offset
COT – Colombia Time, UTC-5 (no daylight saving time)

Bogotá Facts

Country
Colombia
Alternative Names
BOG, Bagata, Bogot, Bogota, Bogoto, Bogotà, Bogotá, Boqota, Buoguota, Bógóta, Mponkota, Santa-Fe-de-Bogota, Santafe de Bogota, Santafe de Bogotá, Santafé de Bogotá, Wukuta, beageatta, bo ge da, bogota, bokota, bwghwta, bwgwta, bwgwth, bwjwta, pokotta, Μπογκοτά, Багата, Богота, Боґота, Санта-Фе-де-Богота, Բոգոտա, באגאטא, בוגוטה, بوجوتا, بوغوتا, بوگوتا, بگوٹا, بۆگۆتا, बोगोटा, बोगोता, বোগোতা, ਬੋਗੋਤਾ, ବୋଗୋଟା, பொகோட்டா, ಬೊಗೋಟ, ബൊഗോട്ട, โบโกตา, པོ་གོ་ཏ, ဘိုဂိုတာမြို့, ბოგოტა, ቦጎታ, ទីក្រុងបូកូតា, ボゴタ, 波哥大, 보고타
Population
7,674,366
Currency
Peso (COP)
Geographic Coordinates
4° 36' N Latitude / 74° 04' W Longitude
International Dialing Code
+57

Mexico City Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – Central Standard Time, UTC-6 (no daylight saving time)

Mexico City Facts

Country
Mexico
Alternative Names
Cidade de Mexico, Cidade de México, Cidade do Mexico, Cidade do México, Cita du Messicu, Citta del Messico, Città del Messico, Cità dû Messicu, Cità dû Mèssicu, Ciudad Mexico, Ciudad de Mejico, Ciudad de Mexico, Ciudad de Méjico, Ciudad de México, Ciutat de Mexic, Ciutat de Mèxic, Lungsod ng Mexico, Lungsod ng México, MEX, Mehiko, Mekhiko, Meksikas, Meksiko, Meksiko Siti, Meksikurbo, Meksyk, Mexico, Mexico City, Mexico D.F., Mexico DF, Mexico Distrito Federal, Mexico by, Mexico-stad, Mexicopolis, Mexiko, Mexiko Hiria, Mexiko-Stadt, Mexikoborg, Mexíkóborg, México, México Distrito Federal, Nkoyo, Pole tou Mexikou, Valle de Mexico, Valle de México, mdynt mksykw, megsiko si, megsikositi, mekishikoshiti, meksiko, meksiko siti, meksikositi, mkzykw, mkzykwsyty, mo xi ge cheng, mqsyqw syty, Πόλη του Μεξικού, Мексико, Мексико Сити, Мехико, Мехіко, מקסיקו סיטי, مدينة مكسيكو, مکزیکو, مکزیکوسیتی, مېكسىكا شەھىرى, मेक्सिको सिटी, মেক্সিকো, เม็กซิโกซิตี, მეხიკო, メキシコシティ, 墨西哥城, 멕시코 시, 멕시코시티
Population
12,294,193
Currency
Peso (MXN)
Geographic Coordinates
19° 25' N Latitude / 99° 07' W Longitude
International Dialing Code
+52