Athens is 2 hours ahead of London. London uses Greenwich Mean Time/British Summer Time (GMT/BST, UTC+0/+1) while Athens uses Eastern European Time (EET/EEST, UTC+2/+3). When it's 12:00 PM in London, it's 2:00 PM in Athens.
Both cities observe daylight saving time on the same schedule, so the 2-hour difference remains constant year-round.
Best calling time: 7:00 AM - 4:00 PM London time. This corresponds to 9:00 AM - 6:00 PM in Athens, covering standard business hours.
London and Athens are major European capitals with rich histories. Both are popular tourist destinations and business centers. Direct flights connect them in about 3.5 hours.