8: 30 am to 12: 30 am and 14 to 18 pm. According to official website query (/Arc.asp? Id= 10) Display: Free opening hours in summer: 8: 30am to12: 30am, afternoon 14 to 18 (extended to 20 o'clock on weekends). Free opening hours in winter: 8: 30am to12: 30am, afternoon13: 30pm to17: 30pm (extended to19: 30pm on weekends), and normal opening hours on weekends and legal holidays (except Monday).