tolong jelasin tentang waktu apa aja deh !!

kalo AM : mulai pukul 00.01-1200
kalo PM : mulai pukul 12.01-00.00

Kali British style :
15 menit : a quarter
30 menit : half
kurang : to
lebih : pass

contoh : 02.15 = a quarter pass two
tapi Kalo American style = two fiftheen