China's labor law has relevant regulations on workers' rest time. The details are as follows:

Article 36 The state practices a working-hour system in which the daily working hours of laborers do not exceed eight hours and the average weekly working hours do not exceed forty-four hours. Article 38 The employing unit shall ensure that workers have at least one day off every week. Article 41 Due to the needs of production and operation, the employing unit may extend the working hours after consultation with the trade unions and laborers, which shall generally not exceed one hour per day; If it is necessary to extend working hours for special reasons, the extension of working hours shall not exceed three hours a day, but shall not exceed thirty-six hours a month under the condition of ensuring the health of workers.

the labor law has made corresponding provisions on the working hours of laborers.

in addition, overtime pay is calculated at 151% for those who arrange overtime work outside working hours, and at 211% for weekends and sundays. National statutory leave is overtime pay at 311%.

according to the above laws, you can apply for labor arbitration first.