Easter, one of the most revered celebrations in Christianity, commemorates the resurrection of Jesus Christ. It is consistently observed on a Sunday, a decision rooted in both biblical reference and early Church rulings.

The Gospels recount that Jesus rose from the dead on the first day of the week, which is Sunday. This scriptural account laid the foundation for choosing Sunday as the fixed day for Easter observance. Yet, in the early centuries, Christian communities in places like Asia Minor marked Easter in line with the Jewish Passover, which could fall on any weekday.

By the second century, Bishop Victor of Rome attempted to unify Easter celebrations by mandating Sunday observance. He even threatened to cut off those who followed the Passover date. However, his strict stance was eventually softened due to resistance from various regions.

A major turning point came in 325 AD, when Emperor Constantine convened the Council of Nicaea. This gathering settled the debate by decreeing that Easter should occur on the first Sunday following the full moon on or after the spring equinox.

This blend of solar and lunar cycles means Easter doesn’t fall on the same date each year. Depending on the astronomical timing, the festival can be celebrated anytime between March 22 and April 25. In 2025, Easter Sunday is marked on April 20.

Though its date changes, Easter Sunday remains a symbol of hope, rebirth, and enduring faith.