Feast of the Ascension term "Holy Thursday" to mean Ascension Day is rare, and the term is more generally applied by most Christian denominations to Maundy Thursday in Holy Week. In Western Christianity, the earliest possible date is April 30 (as in 1818 and 2285), the latest possible date is June 3 (as in 1943 and 2038). In Roman Catholicism, the Ascension of the Lord is a Holy Day of Obligation and in the Anglican Communion, Holy Thursday is a Principal Feast. The three days before Ascension Thursday are sometimes referred to as the Rogation days, and the previous Sunday — the Sixth Sunday
Christian observances of Jewish holidays the week). However, Karaite Jews celebrate this holy day according to Scriptural mandate on the day after the Sabbath. This Sunday celebration, in Christian tradition, is calculated as 50 days after Easter (inclusive of Easter Day). In other words, it falls on the eighth Sunday, counting Easter Day. Pentecost celebrates the birth of the Church, when thousands of Jews were in Jerusalem to celebrate Shavuot, and heard Peter and the disciples speaking in their own language. However, Shavuot is one of the Three Pilgrimage Festivals laid out for the Torah observant Jews, which was the reason for the huge gathering