Saying the date
Dates use ordinals and the article den: den första maj (1 May), den tjugofjärde december (24 December). Written, the day comes first: 24/12, or in official forms year–month–day: 2026-12-24.
Where the names come from
Måndag is the moon's day, tisdag Tyr's day, onsdag Odin's day, torsdag Thor's day and fredag Frigg's day. Lördag was originally "washing day" (from lögardag), and söndag is the sun's day.