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 Montag
It's der Montag. Montag is masculine, plural die Montage.
Am Montag habe ich ein Meeting.
On Monday I have a meeting.
Always 100% of the 8 days of the week we counted take der.
All days of the week are masculine, like der Tag.
Montag der
The last part decides the article: der Tag, so der Montag.