0:00 to 24:00 hours. According to checking the American Tour, Hefei Science Island is open all day and has many attractions. On the Science Island, there are many scientific research units, which are state-of-the-art scientific and technological research institutes, where the nation's top scientists work and live. Tourists can enter here for free to visit. Taking the 903 bus from Hefei to the Science Campus, tourists can visit the island, but are not allowed to enter the place where scientists work and study.