This is the 3843rd most frequent German word.
sonnabend
"Sonnabend" is a German word meaning "Saturday."
In this context, 'sonnabend' is used as a synonym for 'Samstag', indicating the day Saturday in German.
Am Sonnabend geht die Familie ins Kino.
On Saturday, the family goes to the cinema.
Here, 'sonnabend' clearly points out the day of celebration next week.
Mein Onkel hat am kommenden Sonnabend Geburtstag.
My uncle's birthday is next Saturday.
This instance employs 'sonnabend' as a general reference to the weekend's second day.