One of these days, I’m going to remember (without looking it up) that the annual siren test takes place across the whole of Switzerland on the first Wednesday of February.
More information on the Swiss government’s portal.
(Post updated 4th February 2026 with a current video from Faulensee.)
One response to “Annual siren testing”
They actually put that stuff in the newspaper, the oldfashioned ones with dead trees and such. :)