The opening hours of the Science and Technology Museum in 2022 are from Tuesday to Sunday at 9:30- 17:00. Because the opening time of Dalian Science and Technology Museum is 9: 30 and the closing time is 17:00. It is only open from Tuesday to Sunday every week, and the staff of Dalian Science and Technology Museum are closed on Monday, so the opening hours of Dalian Science and Technology Museum in 2022 are from Tuesday to Sunday at 9:30- 17:00.