1:30
it is a quarter to six
in the morning
at midday
it is one o'clock
in the afternoon
at night
12:00
it is a quarter past six
10:00
it is half past 11
in the evening
it is half past three
it is four o'clock
9:15
in der Nacht
it is a quarter past nine
it is ten o'clock
11:30
am Morgen
zu Mittag
am Abend
am Nachmittag