As long as it is a normal working day, you can go through the divorce formalities during normal working hours.

Marriage registration ordinance

Article 10 If a mainland resident divorces voluntarily, both men and women shall register for divorce at the marriage registration office where one of the permanent residences is located.

China citizens and foreigners voluntarily divorce in China Mainland, while mainland residents and Hong Kong residents, Macao residents, Taiwan Province residents and overseas Chinese voluntarily divorce in China Mainland. Both men and women should register for divorce at the marriage registration office where the permanent residence of mainland residents is located.

Article 11 Mainland residents applying for divorce shall submit the following documents and supporting materials:

(1) My household registration book and ID card;

(2) my marriage certificate;

(3) The divorce agreement signed by both parties.