Respuesta :
a. 12.37 pm - It's twenty-three to one / It's twelve thirty-seven
b. 5.45 pm - It's quarter to six / It's five forty-five
c. 6.30 am - It's half past six / It's six thirty
d. 4.23 am - It's twenty-three past four / It's four twenty-four
Hi!
For these, we can say:
12:37 = It's Twelve and thirty seven
R = Son las 12 y treinta y ciete
5:45 = It's Five and forty five
R = Es las Cinco y Cuarenta y cinco.
6:30 = It's Six and thirty
Another way = It's half past six
R = Son las seis y media.
4:23 = It's Four and twenty three
R = Son las cuatro y veintitrés
Cya!