La notte su domani, domenica, segnerà la fine dell'ora legale. Gli orologi torneranno infatti indietro di 60 minuti e ritroveranno l'orario solare.
L'ora legale esiste in Svizzera dal 1981. Era sta introdotta, spiega in una nota l'Istituto federale di metrologia (METAS) per armonizzare gli orologi svizzeri con quelli dei Paesi confinanti con una decisione che "era stata motivata soprattutto da ragioni economiche".
La possibile abolizione del cambio di orario è attualmente oggetto di discussioni politiche, sia in Svizzera (dove è pure stata lanciata un'iniziativa popolare che però sembra avere diverse difficoltà a raccogliere le 100'000 firme necessarie) che nell'Unione Europea, dopo che nel marzo dello scorso anno, il Parlamento UE aveva chiesto la fine del cambio di orario dall'anno prossimo. Ad oggi non tutte le decisioni sono ancora state prese dai singoli Stati. Il METAS ha già fatto sapere che il 28 marzo 2021 in Svizzera si effettuerà ancora il cambio d'orario.
ATS/Swing
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