- A park ranger will lead a planetarium program about the season’s brightest stars, planets and constellations (for ages 5 and older). 1 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070.
- A park ranger will lead a planetarium program about the solar system, the Milky Way and other deep space objects (for ages 7 and older). 4 to 4:45 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070.
- D.C.-based Beltway Brass Quintet will perform their annual holiday performance with jazzy versions of classic holiday favorites. Noon. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- The Choral Arts Society of Washington will present “Christmas With Choral Arts,” featuring holiday carols, seasonal classics and singalongs for the whole family. 1 p.m. $15 to $69. Concert Hall, Kennedy Center. 202-467-4600.
- The Peoples Congregational United Church of Christ will present the 20th annual Christmas Eve Jazz Vespers, featuring guest artist Jeff Majors. 10 to 11:30 a.m. Free. Peoples Congregational United Church of Christ, 4704 13th St. NW. 202-829-5511.
- Palisades Community Church will present a Family Service of Carols and Scripture, at 10 a.m.; and a Candlelight Service, at 7 p.m. Free. Palisades Community Church, 5200 Cathedral Ave. NW. 202-966-7929.
- St. David’s Episcopal Church will present a Christmas Eve service with Holy Communion. 4 and 10 p.m. Free. St. David’s Episcopal Church, 5150 Macomb St. NW. stdavidsdc.org.
- The Contemporary Choir will perform a Christmas Prelude, at 5 p.m.; the Rev. Msgr. W. Ronald Jameson will celebrate the Vigil Mass of Christmas, at 5:30 p.m.; the Schola Cantorum and Festival Singers will perform a Christmas prelude, at 9:15 p.m.; and Cardinal Donald Wuerl will celebrate the Solemn Mass of Christmas, at 10 p.m. Free. Cathedral of St. Matthew the Apostle, 1725 Rhode Island Ave. NW. 202-347-3215.
- St. John’s Episcopal Church, Lafayette Square, will present Carols and Anthems, at 4:30, 7 and 10:30 p.m.; a Pageant and Choral Holy Eucharist with choir, at 5 p.m.; and the Festival Choral Eucharist with orchestra, at 7:30 and 11 p.m. Free. St. John’s Episcopal Church, Lafayette Square, 16th and H streets NW. 202-347-8766.
- St. Paul’s Parish will host a Christmas Eve service with a Sung Mass, at 4:30 p.m.; and a Procession, Blessing of the Crèche and Solemn Mass, at 11 p.m. Free. St. Paul’s Parish, 2430 K St. NW. stpauls-kst.com.
- St. Paul’s Episcopal Church, Rock Creek, will host a Christmas Eve service with Carols and Lessons. 4:45 p.m. Free. St. Paul’s Episcopal Church, Rock Creek, 201 Allison St. NW. 202-726-2080.
- St. Ann’s Catholic Church will present a Mass with brass and choir as well as a children’s Christmas pageant, at 5 p.m.; and a Mass with brass and choir, at 8 p.m. Free. St. Ann’s Catholic Church, Wisconsin and Nebraska avenues NW. stanndc.org.
- The National Presbyterian Church will host a family service with a narrated re-enactment of the Nativity story with music, at 5 p.m.; and a Candlelight Service with carols, at 9 p.m. Free. National Presbyterian Church, 4101 Nebraska Ave. NW. 202-537-0800.
- The Rev. Walter Rossi will lead a Children’s Mass with pageant, at 5 p.m.; and Archbishop Christophe Pierre, the apostolic nuncio to the United States, will lead the Solemn Vigil Mass of Christmas Eve, at 10:30 p.m. Free. Basilica of the National Shrine of the Immaculate Conception, 400 Michigan Ave. NE. 202-526-8300.
- The Metropolitan Memorial Campus of the National United Methodist Church will host a Family Christmas Eve Service with a live Nativity and carols, at 5 p.m.; a Candlelight Communion Service, at 7:30 p.m.; and a Candlelight Vigil with musical prelude, at 10:30 p.m. Free. Metropolitan Memorial Campus, National United Methodist Church, 3401 Nebraska Ave. NW. 202-363-4900.
- Matzoball, the nation’s leading event for Jewish singles, will celebrate its 31st year with events in D.C. and eight other U.S. cities. 9 p.m. to 2 a.m. $30. Decades, 1219 Connecticut Ave. NW. matzoball.org.
- “As the Wheel Turns” will feature tours of Peirce Mill about the power of water and its connection to food. 10 a.m. to 4 p.m. Free. Peirce Mill, Tilden Street and Beach Drive NW. 202-895-6070.