Germany will hold its annual nationwide warning day on Sept. 11, 2025. (X)
German officials have scheduled a nationwide test of emergency alert systems on Sept. 11, from 11 a.m. to 11:45 a.m.
Expect sirens, text messages, app notifications and other interruptions.
The annual test, held every second Thursday in September, is a joint effort by federal, state and local governments designed to check system reliability and practice emergency procedures.
Quick Facts
What: Emergency alert system test
When: Sept. 11, 2025 / 11 a.m. to 11:45 a.m.
Where: Germany (nationwide)
August 29, 2025 15:45