Kansas University has announced changes for office and building hours during the holiday season.

All offices will be closed Dec. 24 and Dec. 31 for the state-recognized holiday.

Other altered hours of operation are:

• Kansas Union — Open 7 a.m.-5 p.m. Monday through Saturday and noon-5 p.m. Sunday, starting Saturday. The union will be closed Dec. 25-26 and Dec. 31-Jan. 1. It will be open 7 a.m.-7 p.m. Jan. 17 and from 7 a.m. to 11 p.m. Jan. 18-19.
• Burge Union — Open 8 a.m.-5 p.m. Monday through Saturday beginning Saturday. It will be closed Dec. 19, Dec. 24-26, Dec. 31-Jan. 2 and Jan. 8-9. Other hours are from 10 a.m. to 5 p.m. Jan. 15; noon-5 p.m. Jan. 16, 7 a.m.-7 p.m. Jan. 17 and from 7 a.m. to 10 p.m. Jan. 18-19.
• Anschutz Library — Open 8 a.m.-5 p.m. Monday through Friday, closed Saturday and open 1 p.m. Sunday, from Saturday to Jan. 16. Also closed Dec. 24-26, Dec. 31-Jan. 2 and Jan. 17.
• Murphy Art and Architecture Library — Open 8 a.m.-5 p.m. Monday though Friday, closed Saturday and Sunday from Saturday to Jan. 16. Also closed Dec. 24-26, Dec. 31-Jan. 2 and Jan. 17.
• Gorton Music and Dance Library — Open 8 a.m.-5 p.m. Monday through Friday, closed Saturday and Sunday from Saturday to Jan. 16. Also closed Dec. 24-26, Dec. 31-Jan. 2 and Jan. 17.
• Spahr Engineering Library — Open 8 a.m.-5 p.m. Monday through Friday, closed Saturday and Sunday from Saturday to Jan. 16. Also closed Dec. 24-26, Dec. 31-Jan. 2 and Jan. 17.
• Kenneth Spencer Research Library — Open 8 a.m.-5 p.m. Monday through Friday, from noon to 4 p.m. Saturday and closed Sunday, Saturday to Jan. 16. Also closed Dec. 24-25, Dec. 31-Jan. 1, Jan. 8, Jan. 15 and Jan. 17.
• Watson Library — Open 8 a.m.-5 p.m. Monday through Friday, closed Saturday and open 1 p.m.-5 p.m. Sunday, Saturday through Jan. 16. Also closed Dec. 24-26, Dec. 31-Jan. 2 and Jan. 17.
• Wheat Law Library — Open 8 a.m.-5 p.m. Monday through Friday, closed Saturday and Sunday, Saturday to Jan. 16. Also closed Dec. 24-26, Dec. 31-Jan. 2 and Jan. 17.
• Herb Harris computer lab, in the Kansas Union — Open 8 a.m.-5 p.m. Monday through Saturday, and from noon to 5 p.m. Sunday, Saturday to Jan. 19. Closed Dec. 24-26 and Dec. 31-Jan. 1.
• Budig Hall computer lab — 8 a.m.-midnight daily, Saturday to Jan. 22, except from 8 a.m. to 6 p.m. Dec. 24, from 8 a.m. to 8 p.m. Dec. 31 and 8 a.m.-midnight Jan. 17. Closed Dec. 25 and Jan. 1.
• Residence halls — Closed from Saturday to 8 a.m. Jan. 18, except McCollum Hall.
• Natural History Museum — Regular hours, except closed Dec. 24-25, Jan. 1 and Jan. 17.
• Spencer Art Museum — Regular hours, except closed Dec. 25 and Jan. 1.
• Dole Institute of Politics — Regular hours, except closed Dec. 24-25 and Dec. 31-Jan. 1.