Time and prepositions

It's half to twelve

It's quarter past twelve

It's half past twelve

It's twelve o'clock

It's at eight o'clock

It's in half past eight

It's at five to nine

It's at half past eight

In Saturday and Sunday

On Saturday and Sunday

At Saturday and Sunday

In winter

In summer

At summer

All year

It's eighteen fifty

It's fifty past eighteen

It's ten to seven

It's ten to six

It's at the fifth of December

It's on the fiveth of December

It's on the fifth of December

It's in the fifth of December

It's in January

It's in December

It's at January

It's on January

It's quarter past fifteen

It's half past three

It's quarter past three

It's quarter to three

In twenty to ten

At twenty to twenty-two

On twenty to ten

At twenty to ten

It's twenty-five to eight

It's twenty-five past seven

It's twenty-five to seven

It's twenty-five past eight