Daylight Saving Time ends

On Sunday, 31 October 2021 most of Europe changes from Daylight Saving Time ("summer time") back to "standard" or "winter" time. Here in the Central European Timezone (CET) the change happens at 3 o'clock in the morning. At that moment time goes back one hour and 03:00 becomes 02:00. For most humans this means an extra hour of sleep, but for software applications the consequences are less appealing.

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