Global churches adopt Creation Sunday as annual festival

Christian denominations worldwide have united to establish the Feast of Creation, also known as Creation Sunday, as a major new Christian festival to be observed on the first Sunday in September beginning in 2024–2025. The agreement emerged from two ecumenical councils held in Assisi, Italy, bringing together representatives from Eastern Orthodox, Pentecostal, Roman Catholic, Mennonite, Anglican, and other Christian traditions for prayer, discussion, and theological work. The Feast of Creation coincides with the Season of Creation, an extended observance running from September 1 to October 4 each year, which has roots in Byzantine tradition dating to the seventh century and in Jewish observance of the autumn new year. The modern ecumenical celebration began in 1989 when Ecumenical Patriarch Demetrios I invited the Christian world to mark September 1 as a World Day of Prayer for Creation. Ecumenical Patriarch Bartholomew I later expanded the observance, and the World Council of Churches extended it into a full season. Pope Francis established a World Day of Prayer for the Care of Creation in the Roman Catholic Church in 2015 and began officially celebrating the Season of Creation in 2019. The ongoing theological dialogue around the Feast of Creation, known as the Assisi Process, brings together thirteen Christian world communions and ecumenical bodies to discuss adoption of the observance within their respective traditions.

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Source: A Rocha International — https://arocha.org/en/the-global-church-unites-for-the-feast-of-creation/