Trade Sunday 5 April: shops open on Easter or there is simply a trade ban. Is present a commercial Sunday?

Zdjęcie: Niedziela handlowa 5 kwietnia: sklepy otwarte w Wielkanoc czy obowiązuje zakaz handlu. Czy dzisiaj jest niedziela handlowa? / East News


Is present 05.04 a commercial Sunday? Many people plan to buy bigger on the weekend, so we check whether on Sunday 5 April there will be shops specified as Ladybug, Lidl, Auchan and Carrefour, or just Frogka. Where can you store on Easter and where are the shops open? Explain.