How long is the interval between two shifts in the hotel without violating the labor law?

Article 36 The state practices a working-hour system in which laborers work no more than eight hours a day and no more than 44 hours a week on average.

Article 38 The employing unit shall ensure that workers have at least one day off every week.

Article 44 Under any of the following circumstances, the employing unit shall pay wages higher than the wages of the workers during their normal working hours according to the following standards:

(1) If the laborer is arranged to work longer hours, he shall be paid no less than 150% of the salary;

(2) If workers are arranged to work on rest days but cannot be arranged for compensatory time off, they shall be paid a salary of not less than 200% of their wages;

(3) If workers are arranged to work on legal holidays, they shall be paid no less than 300% of their wages.