Days of the week der
Always 100% of the 8 days of the week we counted take der.
All days of the week are masculine, like der Tag.
der Samstag
It's der Samstag. Samstag is masculine, plural die Samstage.
Am Samstag kaufe ich ein.
On Saturday I go shopping.
Always 100% of the 8 days of the week we counted take der.
All days of the week are masculine, like der Tag.
Samstag der
The last part decides the article: der Tag, so der Samstag.