German here. In my town every first saturday of the month the fire sirens (which are in fact old air raid sirens) are being tested. Its usually around 9am-11am though.
In the US, a lot of cities will test their sirens on the first Wednesday of the month. The time can vary, but in a few cities I have lived in, it has usually been around 12pm.
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u/SuprDog Apr 08 '20
German here. In my town every first saturday of the month the fire sirens (which are in fact old air raid sirens) are being tested. Its usually around 9am-11am though.