Republic of the Philippines, Republic Act No. 4166
“ Sec. 29. Legal Holidays. Thursday and Friday of Holy Week, Christmas Day, and Sundays are legal religious holidays. The legal holidays are: the first of January, the ninth of April, the first of May, the twelfth of June (Independence Day) , the fourth of July (Philippine Republic Day) , the thirtieth of November, the thirtieth of December, and the day appointed by law for the holding of a general election: Provided, however, That when any regular holiday of fixed date falls on Sunday, the next succeeding day shall be observed as legal holiday. ”
