Easter is primarily celebrated by Christians around the world as the most important festival in the Christian liturgical calendar, commemorating the resurrection of Jesus Christ from the dead on the third day after his crucifixion

. This includes various Christian denominations such as Roman Catholics, Protestants, Eastern Orthodox, and Oriental Orthodox churches, among others

. The celebration of Easter is marked by church services, festive family meals, and various customs like Easter egg decoration and gift-giving

. In Eastern Orthodox and Ethiopian Orthodox traditions, Easter (also called Pascha or Fasika) is celebrated according to a different calendar calculation, often resulting in a later date than Western Christian Easter

. Easter is observed globally in countries with Christian populations, including many European countries, the Americas, parts of Africa, and the Middle East

. Non-Christian cultural observances related to Easter, such as Easter egg hunts and the Easter Bunny, have also become popular in some regions

. In summary, Easter is celebrated by Christians worldwide as a religious festival commemorating Jesus Christ’s resurrection, with diverse traditions and dates depending on denomination and cultural context