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
Holy Week Passion Week (the week before Holy Week) to the level of a commemoration, and in 1969 the celebration was removed from the General Roman Calendar as a duplicate of the September feast. Observance of the calendar as it stood in 1962 is still permitted as an extraordinary form of the Roman Rite, and even where the calendar as revised in 1969 is in use, some countries, such as Malta, have kept it in their national calendars. In every country, the 2002 edition of the Roman Missal provides an alternative collect for this Friday: <poem> O God, who in this season