Athens operates on Eastern European Time (EET), which is UTC+2 during winter and Eastern European Summer Time (EEST), which is UTC+3 during summer. To find the current time in Athens, add 2 hours to UTC during winter months and 3 hours during summer months.

Yes, Athens and the rest of Greece observe Daylight Saving Time. The clocks go forward 1 hour to Eastern European Summer Time (EEST, UTC+3) in late March and go back 1 hour to Eastern European Time (EET, UTC+2) in late October.

London (GMT/BST): Athens is 2 hours ahead of London when the UK is on GMT (winter), and 1 hour ahead when the UK is on BST (summer).

New York (EST/EDT): Athens is 7 hours ahead of New York when NY is on EST (winter), and 6 hours ahead when NY is on EDT (summer).

Tokyo (JST): Athens is 7 hours behind Tokyo, as Japan Standard Time is UTC+9.

Greece's major cities include Thessaloniki, Patras, Heraklion, Larissa, Volos, and Rhodes. Athens is the capital and largest city.

Athens is known as the birthplace of democracy and Western civilization. The city is famous for the Acropolis and Parthenon, ancient Greek philosophy, the Olympic Games, world-class museums, and as a major cultural and historical center. It's one of the world's oldest cities with a history spanning over 3,400 years.