An Act Changing the Date of Philippine Independence from July Four to June Twelve

REPUBLIC ACT NO. 4166

AN ACT CHANGING THE DATE OF PHILIPPINE INDEPENDENCE DAY FROM JULY FOUR TO JUNE TWELVE, AND DECLARING JULY FOUR AS PHILIPPINE REPUBLIC DAY, FURTHER AMENDING FOR THE PURPOSE SECTION TWENTY-NINE OF THE REVISED ADMINISTRATIVE CODE.

Section 1. The twelfth day of June is hereby proclaimed as the Philippine Independence Day, and all citizens of the Philippines are enjoined to observe such day with rites befitting Independence Day.

Sec. 2. Sec. twenty-nine of the Revised Administrative Code, as amended, is further amended to read as follows:

"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."

Section 3. This Act shall take effect upon its approval.

Approved: August 4, 1964

Source: http://www.chanrobles.com/republicacts/republicactno4166.html