Article 83. Normal Hours of Work— The normal hours of work of any employees shall not exceed eight (8) hours a day. Health personnel in cities and municipalities with a population of at least one million (1,000,000) or in hospitals and clinics with a bed capacity of at least eight (8) hours a day, for five (5) days a week, exclusive of time for meals except when the exigencies of the service require that such personnel work for six (6) days or forty- eight (48) hours, in which case, they shall be entitled to an additional compensation of at least thirty percent (30%) of their regular wage for work on the sixth day. For purposes of this Article, “health personnel” shall include resident physicians, nurses, nutritionists, dietitians, pharmacists, social workers, laboratory technicians, paramedical technicians, psychologists, midwives, attendants and all other hospital or clinic personnel.