World Time Clock

The Weltzeituhr has stood on Alexanderplatz since 1969, an East German design showing a slowly rotating cylinder listing the time in 148 cities, topped by a small model of the solar system. It has long functioned as one of Berlin's default meeting points — 'let's meet at the World Clock' is a genuine local phrase — and its retro-futurist design has become a symbol of the square itself, especially lit up during the Christmas market season, as several reviewers mention. It sits in the busiest, most touristic stretch of Mitte, surrounded by chain stores and the TV Tower, so it's more of a quick landmark stop and photo point than a lingering visit. A rating of 4.4 across over 8,000 reviews reflects its status as a reliably interesting five-minute detour rather than a headline attraction.