Does the police station issue a proof of accommodation 24 hours a day?

Legal analysis: Yes, the police station is manned 24 hours a day. If you don't have your ID card, you can apply to the local police station for a certificate of occupancy.

legal basis: article 6 of the measures for the administration of public security in the hotel industry, hotels must register when they receive passengers. At the time of registration, the passenger's identity documents shall be checked and truthfully registered according to the prescribed items. To receive accommodation from overseas tourists, an accommodation registration form shall also be submitted to the local public security organ within 24 hours.