Celebrated the Sunday after Pentecost Sunday.
This season follows Pentecost Sunday till Advent begins the 4th Sunday before Christmas.
50 days after the Day of the Resurrection/Easter Sunday
40 days after the Day of the Resurrection. Always on a Thursday then 10 days to Pentecost Sunday.
December 25 to January 5
This week is set by the moon calendar beginning with Passion/Palm Sunday followed by Maundy Thursday, Good Friday, Holy Saturday and the Resurrection of the Lord/Easter Sunday
The season of Lent is observed by some Christian churches beginning with Ash Wednesday six weeks before Holy Week.
Advent season begins with the 4th Sunday before Christmas.