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The warning systems are tested on the first Wednesday of May at noon

On the first Wednesday of May at noon the authorities in Denmark will test the sirens and S!RENEN.

30 April 2026

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    On the first Wednesday of May at noon the authorities in Denmark will test the sirens and S!RENEN.

    Do not worry, when the warning systems are tested from masts and mobiles, it is to ensure that they work and to remind you what they mean when real danger arises.

    Read more about the test on brs.dk