Los Altos Tree Lighting Ceremony, 6 p.m., Community Plaza, downtown Los Altos, State and Main streets.
Nov. 28
Los Altos Festival of Lights Parade, 6 p.m., downtown Los Altos.
Dec. 5
Music and Memories program, 2:30 p.m., Los Altos History House.
Dec. 31
Millennium dinner, 7 p.m., Hillview Community Center fields, Los Altos; Countdown party, 10:30 p.m.