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In the Netherlands, emergency sirens are tested at Noon on the first monday of every month for 1 minute. If you hear a siren at any other time, it's serious and
by yurishimo 3y ago
In the Netherlands, emergency sirens are tested at Noon on the first monday of every month for 1 minute. If you hear a siren at any other time, it's serious and you seek out more information from sources relevant to your area.