The First Sunday of Advent: A Catholic Guide to Hope and Watchfulness
The First Sunday of Advent begins the Catholic liturgical year and a season of preparation for Christ's coming. Advent looks toward Jesus' return in glory as well as preparing to celebrate his birth at Christmas.
What the Church celebrates
Advent is not simply a countdown to gifts or a reenactment of the weeks before Jesus was born. The readings invite Christians to stay awake, hope in God's promises, and let Christ shape daily life. The first candle on the Advent wreath is often associated with hope, though home customs vary.
The biblical roots
In Matthew 24:37–44, Jesus tells his disciples to stay ready because they do not know the hour. Isaiah 2:1–5 pictures nations streaming toward God's instruction and turning weapons into tools of peace. The Church begins the year with this forward-looking hope, not with fear or predictions about dates. Read in Scripture: Matthew 24:37–44; Isaiah 2:1–5; Romans 13:11–14.
How Catholics observe the day
Catholics may pray with an Advent wreath, attend Sunday Mass, and choose a simple practice of generosity or reconciliation. The wreath is a custom, not a sacrament or obligation. Advent has a quieter tone than Christmas, but Sunday Mass continues the celebration of the Lord's Day. A feast or solemnity does not automatically make a weekday a holy day of obligation. Check the <a href="/holy-days">Catholic holy days calendar</a> for the date and local Ascension setting.
What to Say
“Advent begins a new Church year by teaching us to watch for Jesus—with hope, faithful living, and preparation for Christmas.”
The Bottom Line
The first Advent Sunday asks not that we guess the future, but that we live ready to welcome Christ today.
Frequently Asked Questions
When does Advent begin?
It begins on the First Sunday of Advent, four Sundays before Christmas.
Is Advent a penitential season like Lent?
Advent is a season of preparation and expectation, with a distinct tone from Lent; it is not simply another Lent.
What do Advent wreath candles mean?
They mark the Sundays and often symbolize hope, peace, joy, and love; the customs are devotional and can vary.