Pentecost 2025 Calendar. From ash wednesday to easter sunday, pentecost to advent, this calendar has all the key dates you need to stay engaged and connected to your faith all year long. This day is marked by catholic priests dressing up in red.

Pentecost, or whit sunday, is the fifth principal feast on the christian calendar. Celebration\ observance pentecost is a christian observance commemorating the decent of the holy spirit on to the apostles and other followers of jesus.