Weihai University for the Aged has classes from September 13 to 17, holidays from September 18, classes from September 19, holidays from September 20 to 2/kloc-0, classes from September 22 to 25, holidays from September 26 and holidays from September 27 to 9. 10 years 10 2 to 10 5, 10 years 10 6 to 7, 10 years 10 8,/kloc-