Präpositionen der Zeit

Präpositionen		Beispiel
at		at one o´ clock, at night . . .
by	(bis spätestens)	by Monday, by Tuesday . . .
in		in January, in February . . .
		in the morning, in the evening . . .
		in 2012, in 2013 . . .
on		on Monday, on Tuesday . . .