whenisthemidautumnfestival怎么回答

1.When is the Mid_Autumn Festival?汉语意思是中秋节在什么时候？回答是It's on September 27th.

2.When is your birthday?It's on December 30th.

3.When is Tree Planting Day?It's usually in March.When is Children's Day?It's on June 1st.注意介词on in的用法。