It's a quarter past ten. it's half past eleven. it's ten to six . it's a quarter past seven.

it's a quarter past ten.10.15

it's half past eleven.11.30

it's ten to six .5.50

it's a quarter past seven.7.15

10 часов 15 минут / 15 минут одиннадцатого

11 часов 30 минут / половина двенадцатого

5 часов 50 минут / без десяти шесть

7 часов 15 минут / пятнадцать минут восьмого