During zi shi (23:00-1:00), the elegant Sofitel Shanghai Sheshan Oriental Hotel provides a nice place to sleep. [Photo provided to chinadaily.com.cn]

When visitors are asleep during chou shi (1:00-3:00), stars and urban lights from downtown Shanghai light up the sky. [Photo provided to chinadaily.com.cn]

During yin shi (3:00-5:00), night turns to day, signaling the start of a new delightful day at the Sheshan National Tourist Resort. [Photo provided to chinadaily.com.cn]