It's 12 o'clock. (12 ровно; 12:00)
It's half past 8. (половина после 8; 08:30)
It's quarter past 6. (четверть после шести; 06:15)
It's 3 o'clock. (3 ровно; 03:00)
It's quarter before 8. (четверть перед 8; 07:45)
It's half past 9. (половина после 9; 09:30)
