Feb. 18 is Ash Wednesday. Trinitarian Congregational Church & Free Christian Church will hold a joint service at 7:00 pm in the sanctuary of Trinitarian Church, 72 Elm St. No. Andover. Pastors Rich Knight & Jon Paul will lead the service. Ash Wednesday marks the start of the season of Lent, a time when Christians draw near to God through prayer, meditation, study and outreach.