Here are the official holidays in the Philippines, incorporating the provisions of Republic Act 9492 or “An Act Rationalizing the Celebration of National Holidays”.
Under R.A. 9492, holidays, except those that are religious in nature, are moved to the nearest Monday unless otherwise modified by law, order or proclamation.

Official List of Philippine Holidays for 2010

A. Regular Holidays

New Year’s Day – January 1 (Friday)

Maundy Thursday / Good Friday – April 1 / 2 (Thursday / Friday)

Araw ng Kagitingan – April 9 (Friday)

Labor Day May 3, 2010 (Monday) has been declared a non-working holiday

Independence Day – June 14 (Monday), moved from June 12

National Heroes Day – August 30 (Monday)

Bonifacio Day – November 29 (Monday), moved from November 30

Christmas Day – December 25 (Saturday)

Rizal Day – December 27 (Monday), moved from December 30

B. Special (non-working) holidays

Ninoy Aquino Day – August 23, 2010 (Monday), moved from August 21

All Saints’ Day – November 1 (Monday)

Christmas Eve – December 24 (Friday)

New Year’s Eve – December 31 (Friday)

C. Others

February 22, 2010 (Monday), moved from February 25 – 1986 EDSA People Power Revolution   anniversary – Special holiday for schools only

July 27 - Founding Anniversary of Iglesia ni Cristo - Special national working holiday

September 10 – Eid’l Fitr (End of Ramadan) - non-working holiday

October 25 – Barangay and SK elections - non-working holiday

November 2 (Tuesday) – All Souls’ Day – NOT a holiday

November 16 (Tuesday) - Eid’l Adha (Islam Feast of Sacrifice) – non-working holiday