We have changed how we collect and accept calendar information. Readers must now submit all items through our website. Go to events.contracostatimes.com, and click on "submit your event." You'll have to register at this point and enter your event. You do not have to pay. Submitting your event in this way will ensure it is part of our easily searchable online database, as well as a candidate for space in our publications.

Museum Ghost Hunt. A night of paranormal lectures and ghost hunting at the Oakland Aviation Museum, a hotspot of paranormal activity, with guest speaker Dr. Jeff Dwyer. Adults only. 7 p.m. Dec. 13. Oakland Aviation Museum, 8260 Boeing St., Oakland. $25. www.alamedaparanormal.com/events.

The Christmas Revels. The 28th annual edition of The Christmas Revels, the Spirits of Haddon Hall, a Bay Area favorite musical production to welcome the holiday season set at an English country estate after WWI. Ghosts of past generations appear to celebrate the season with a cast of 65, period songs and dances, comedy and stories. 8 p.m. Dec. 13 and 20. 1 and 5 p.m. Dec. 14, 15, 21, 22. Scottish Rite Center & Theater, 1547 Lakeside Dr., Oakland. $20 to $55. 510-452-8800, www.californiarevels.org.

Toddler Storytime. Songs, active rhymes and stories, especially for ages 18 months to 3 years. Followed by playtime. 11 a.m. Saturdays. 81st Avenue Branch Library, 1021 81st Ave., Oakland. 510-615-5812, www.oaklandlibrary.org.

Holidays at Dunsmuir. Mansion tours, holiday teas, winter cafe, carriage ride, brunch with Santa, mansion gift shop, live entertainment, holiday crafters, kids's zone, group tours, Oakland Ballet's hands-on dance workshop, The Puppet Company's Wacky Winter. Noon to 4 p.m., Dec. 14, 15, 21, 22. Dunsmuir Hellman Historic Estate, 2960 Peralta Oaks, Ct., Oakland. $9 to $14 in advance, some activities cost more. Check website for details. 510-238-3052, www.dunsmuir-hellman.com.

Let Us Break Bread Together. A holiday celebration featuring Oakland East Bay Symphony Conductor Michael Morgan, Oakland Symphony Chorus, Oakland Interfaith Gospel Choir, Mt. Eden High School Choir, Crystal Children's Choir, Klezmer band Kugelplex, Linda Tillery and The Cultural Heritage Choir, Larry Batiste and Claytoven Richardson. 4 p.m., Dec. 15. Paramount Theatre, 2025 Broadway, Oakland. $15 to $50. www.paramounttheatre.com/tickets.html.

The Nutcracker. Oakland Ballet Company returns to the Paramount Theatre for its holiday season production of Graham Lustig's "The Nutcracker," danced to live music by the Oakland East Symphony, conducted by Michael Morgan. 2 p.m. Dec. 21 and 22. 11 a.m. Dec. 24. Paramount Theatre, 2025 Broadway, Oakland. $20 to $59.50, www.paramounttheatre.com.

San Francisco Boys Chorus. Winter concert with the San Francisco Boys Chorus featuring works by Mozart, Bach and Palestrina, as well as classic holiday tunes. 8 to 10 p.m. Dec. 21. Cathedral of Christ the Light, 2121 Harrison St., Oakland. $10 to $30; www.sfbc.org.