Swedish edit

Etymology edit

Calque of German Schalttag. By surface analysis, skott +‎ dag.

Noun edit

skottdag c

  1. a leap day (nowadays usually February 29)

Declension edit

Declension of skottdag 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative skottdag skottdagen skottdagar skottdagarna
Genitive skottdags skottdagens skottdagars skottdagarnas

Further reading edit