The season commences on the feast of the Ascension, which falls on a Thursday forty days after Easter, and lasts until the eve of Whitsunday (or Pentecost) - a mere ten days in length.

The season commences on the feast of the Ascension, which falls on a Thursday forty days after Easter, and lasts until the eve of Whitsunday (or Pentecost) - a mere ten days in length.