Updating current time…
United KingdomGMT
UTC+0
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Georgia, USAEDT
UTC−4
4h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Atlanta's clocks go back 1 hour on Sun, Nov 1 · EDT → EST

Quick answers

Selected conversion

12:00 pm12:00 GMT (UTC+0), Oct 29, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 29, 2026

London is 4 hours ahead of Atlanta.

How the time difference changes

For most of the year, London is 5 hours ahead of Atlanta. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, London is 4 hours ahead of Atlanta.

For most 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 Atlanta. At other times 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 Atlanta.For most of the year, working hours of 09:00 to 18:00 in London correspond to 04:00 to 13:00 in Atlanta. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 05:00 to 14:00 in Atlanta.

Compare London time with Atlanta 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 4 hours ahead of EDT (Eastern Daylight Time).
12:00 pm12:00 in London, United Kingdom is 8:00 am08:00 in Atlanta, GA, USA

London to Atlanta call time
Best time for a conference call or a meeting is between 1pm-6pm13:00-18:00 in London which corresponds to 9am-2pm09:00-14:00 in Atlanta

12:00 pm12:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
8:00 am08:00 EDT (Eastern Daylight Time) (Atlanta, GA, USA). Offset UTC -4:00 hours

12:00 pm12:00 London, United Kingdom / 8:00 am08:00 Atlanta, GA, USA

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Hourly time comparison
London, United KingdomAtlanta, GA, USA
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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.

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

Atlanta Time Zone and Facts

Time Zone

Abbreviation / Offset
EDT – Eastern Daylight Time, UTC-4 (now, daylight saving time)
EST – Eastern Standard Time, UTC-5 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (EST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (EDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.

Atlanta Facts

Country
USA
State
Georgia
Alternative Names
ATL, Atlant, Atlanta, Atlantae, Atlonta, Canebrake, Marthasdale, Marthasville, Standing Peachtree, Terminus, White Hall, Whitehall, aeteullaenta, arr‌lanra nagaram, atalanta, ateullaenta, ateullanta, atlanta, atoranta, atʼlantʼa, etalanta, etlanta, ya te lan da, Ατλάντα, Атлантæ, Атланта, Ատլանտա, אטלאנטא, אטלנטה, آتلانتا, أتلانتا, ئەتڵانتا, اٹلانٹا, اٹلانٹا، جارجیا, अटलांटा, अटलान्टा, एट्लान्टा, एत्लान्ता, আটলান্টা, એટલાન્ટા, அட்லான்டா, అట్లాంటా, ಅಟ್ಲಾಂಟಾ, അറ്റ്‌ലാന്റാ നഗരം, แอตแลนตา, ཨ་ཊི་ལཱན་ཊཱ།, အတ္တလန္တာမြို့, ატლანტა, አትላንታ, アトランタ, 亚特兰大, 亞特蘭大, 아틀란타, 아틀랜타, 애틀랜타
Population
510,823
Currency
Dollar (USD)
Geographic Coordinates
33° 44' N Latitude / 84° 23' W Longitude
International Dialing Code
+1