What is Ash Wednesday? Why Catholics get ashes on their forehead NBC New York [Video]

On Wednesday, many Christians will show up to work with ashes smudged on their foreheads. Many more will head to church on their lunch break or after work to receive a cross of ashes on their face.

This year, Ash Wednesday — a solemn day of fasting and reflection to mark the start of Christianity’s most penitent season — falls on Valentine’s Day, the fixed annual celebration of love and friendship, marked by couples, flowers and candy — and critics who deride its commercialization.

But what exactly is the purpose of the centuries-old Christian tradition?

In the Christian tradition, Ash Wednesday marks the start of the holy season of Lent, a time for reflection and repentance in preparation for the celebration of Easter.

Christians from many denominations recognize the holy season for 40 days leading up to Easter. For centuries, Christians have received a sign of the cross with ashes on their forehead …