1) It's Tree Planting Day.
今天是植树节。
2) Today is April Fools' Day.
今天是愚人节。
4) It's Children's Day today.
今天是儿童节,
5) Is it Children's Day today?
今天是儿童节吗?
6) Today is National day.
今天是国庆节。
参考词条