Tallinn is 2 hours ahead of London. Tallinn uses Eastern European Time (EET/EEST, UTC+2/+3) while London uses Greenwich Mean Time/British Summer Time (GMT/BST, UTC+0/+1). When it's 12:00 PM in Tallinn, it's 10:00 AM in London.
Both cities observe daylight saving time, and since the EU and UK switch on the same dates, the 2-hour difference remains consistent year-round.
For business calls: Schedule between 11:00 AM - 7:00 PM Tallinn time (9:00 AM - 5:00 PM London time) for standard business hours overlap.
Tallinn has strong ties to the UK tech industry, with many Estonian startups serving UK markets. Direct flights connect the cities in about 2.5 hours. Tallinn's medieval Old Town is a UNESCO World Heritage Site.