In many countries in South and Southeast Asia, the traditional New Year's festival is celebrated from April 13 to April 15. It is known by many names, but the best known name is Songkran. The festival is so called in Thailand and Laos.
Thursday before Easter, is Maundy Thursday. This holiday commemorates the Last Supper of Jesus Christ with the Apostles and Maundy.
Pesah, or Passover is one of the most significant Jewish holidays. It commemorates the liberation of the Jewish people from slavery in ancient Egypt and the story of the Exodus. This festival commences on Nisan 15 and lasts for seven days in Israel and for eight days in the diaspora.
Maundy Thursday is the Thursday before Easter. This holy day commemorates the Maundy (washing of the feet) and the Last Supper of Jesus Christ. It is a public holiday in some countries.