Fill in the gaps . Use at , in or on

Fill in the gaps . Use at , in or on ( Заполнить пробелы , применяй , in or on )
My birthday is ...23 July.
...this day I get up ... 9 о,clock and help my mother to clean the flat .
... July we dont have school and my friends come ... 12 oclock .
We play, sing and dance.