Calendrier = 

ADDCOLUMNS(
	   CALENDAR(
		DATE(2025 ,1,1),
		DATE(2026 ,12,31)
	   ),
           "Annee", FORMAT([Date],"YYYY"),
           "Trimestre" , "T"&FORMAT([Date],"Q"),
           "Annee mois", FORMAT([Date],"YYYY-MM")
)