The office hours and off days during summer vacation in 2023 is as below:

1. Summer vacation office hours : 8:00-9:00 to work, 16:30-17:30 leave work.
2. 13 off days in total : 
   11 common off days in total : July 7th, 14th, 21st, 28th, August 4th, 11th, 18th, 25th, September 1st (All dates above are Friday)；July 17, August 28 (All dates above are Monday).If you want to come to handle various affairs in the department office, please remember to avoid the off days, thank you.