On Christmas Eve, the ice rink is open from 10 a.m. to 6 p.m.; on Christmas Day, it's open from 10 a.m. to 4 p.m.; and on December 31 the rink is open from 10 a.m. to 8 p.m.
The Chicago 2016 Olympic bid logo is embedded in the ice this year.
For more information on the 24.5-acre Millennium Park, visit millenniumpark.org