It's on April 12.
1.Date：The old dictionaries say,“ Easter,anniversary (周年紀念)of the Resurrection of Christ,observed on the first Sunday after a full moon on or after 21 March."
So,every year,the festival is between 22 March and 25 April.
2Legend：We all know the legend about the Jesus’ Resurrection.But there‘s an another legend.It’s said that Lord( another name is Baal巴力神) had a sister called Easter who was born from a swan‘s egg.Lord found the egg and a bunny hatched(孵化) from it.Then the bunny grew up and became a beauty Easter.She had once saved Lord’s life.
3Customs：Children usually have painted egg- shape chocolates to eat and they can get surprising gifts from the stores or find a basket of painted eggs under the trees in the park.People will clean their rooms thoroughly.It means that the new life starts.Easter bunnies are also popular.Because they multiply quickly,people regard them as the creators of new lives.Adults will tell children that the little bunnies hatched from the painted eggs.