The following is a schedule of events celebrating the 1981 Presidential Inaugural. Further information is available from the Presidential Inaugural Committee, telephone 382-8250, and, for events at the Smithsonian Institution, 357-2700. Today 10 a.m.-4:30 p.m. Corcoran Gallery exhibit of Codex Leicester. 10 a.m.-8 p.m. Music, dance and other entertainment at Washington National, Dulles and BWI airports and Union Station. 11 a.m.-noon Distinguished Ladies' Reception, hosted by Mrs. Reagan and Mrs. Bush at the Kennedy Center. (Invitation only) Noon to 6 p.m. "A Taste of America," at Union Station. (An exhibit with samples of food from restaurants throughout the country available to persons picking up Inaugural events tickets at Union Station) Noon Bill Kirchner Orchestra performs in the Hirshhorn Museum. Noon Romantic chamber music in Renwick Gallery's grand salon. Noon U.S. Coast Guard Academy Glee Club and U.S. Coast Guard Icebreakers and Idlers in the Museum of Natural History. Noon Solo piano performance in the second floor lounge of the National Portrait Gallery. Noon Smithsonian Chamber Players at the Museum of American Art. Noon Announcement of winners of competition for best decorated stores/businesses, at a site to be announced. 12:30 p.m. Jazz in the rotunda of the Museum of Natural History. 1:30 p.m. Reception honoring Senate Majority Leader Howard Baker, Hyatt Regency Ballroom, Hyatt Regency Hotel, Capitol Hill (Invitation only) 2 p.m. Smithsonian Chamber Players in Renwick Gallery's grand salon. 2:30 p.m. Bill Harris and his blues band perform in the rotunda area of the Museum of Natural History. 2:30-6:30 p.m. Vice President-elect's reception in the pendulum area of the Museum of American History. (Invitation only) 3 p.m. Romantic Chamber Ensemble performance in Hall 24, third floor of the Museum of Natural History. 3 p.m. Smithsonian Chamber Players at the National Portrait Gallery. 3 p.m. 20th Century consort music at the Hirshhorn Museum. 4 p.m. to 10 p.m. Salute to America's Heritage, a multi-ethnic cultural exhibit, Health and Human Services Building. 4 p.m. Romantic chamber music in Renwick Gallery's grand salon. 8:00 p.m. Inaugural Gala in the Capital Centre, Landover, Md. (Invitation only) Doors will close at 7:45 p.m. 8:30 p.m. Youth Concert featuring The Beach Boys at DAR Constitution Hall. (Invitation only) Tuesday 10 a.m.-4:30 p.m. Corcoran Gallery exhibit of Codex Leicester. 11:30 a.m. Oath of Office Ceremony, Capitol West Front. (Tickets required) 12:30 p.m. Presidential luncheon hosted by Joint Congressional Inaugural Committee in the Statuary Hall of the Capitol. 2:15 p.m. Inaugural Parade, begins at Capitol, proceeding west along Pennsylvania Avenue to the White House. Seating by ticket only, but standing room along the route. 4-5 p.m. Band concert on the West Front of the Capitol. 5:15 p.m. Inaugural Day Sky Salute, a closing fireworks display at the West Front of the Capitol. 9 p.m. Official Inaugural Balls: Washington Hilton Hotel, Sheraton-Washington Hotel, Shoreham Hotel, Capital Hilton Hotel, Kennedy Center, Pension Building, Museum of Natural History, Museum of American History, National Air and Space Museum and the Mayflower Hotel. (Invitation only)