Gospel Day in Tuvalu commemorates the arrival of Christianity to the islands through the work of Samoan and British missionaries in the mid-19th century, which played a major role in shaping Tuvalu's spiritual, social, and cultural identity.

St. Cyril and St. Methodius Day is a feast day celebrated in honor of the Apostles to the Slavs, Saints Cyril and Methodius. It commemorates their missionary work, cultural contributions and role in spreading Christianity among the Slavic peoples.

Ascension Day, also known as the Feast of the Ascension, is a Christian holy day celebrated 40 days after Easter Sunday, commemorating the ascension of Jesus Christ into heaven. It marks the end of Christ’s earthly ministry and His return to the Father, as described in the Acts of the Apostles and the Gospel of Luke.

Orthodox Ascension Day commemorates Jesus Christ’s ascension into heaven, marking the end of His earthly ministry and His exaltation at the right hand of the Father.