The following dates have been declared non-working holidays for 2025:

January 1 (Wednesday)
New Year's Day
Regular Holiday

January 29 (Wednesday)
Chinese New Year
Special Non-working Day

April 9 (Wednesday)
Araw ng Kagitingan
Regular Holiday 

April 17 (Thursday)
Maundy Thursday
Regular Holiday

April 18 (Friday)
Good Friday
Regular Holiday

April 19 (Saturday)
Black Saturday
Special Non-working Day

May 1 (Thursday)
Labor Day
Regular Holiday

June 12 (Thursday)
Independence Day
Regular Holiday

August 21 (Thursday)
Ninoy Aquino Day
Special Non-working Day

August 25 (Monday)
National Heroes Day
Regular Holiday

October 31 (Friday)
All Saints' Day Eve
Special Non-working Day

November 1 (Saturday)
All Saints' Day
Special Non-working Day

November 30 (Sunday)
Bonifacio Day
Regular Holiday

December 8 (Monday)
Feast of the Immaculate Conception of Mary
Special Non-working Day

December 24 (Wednesday)
Christmas Eve
Special Non-working Day

December 25 (Thursday)
Christmas Day
Regular Holiday

December 30 (Tuesday)
Rizal Day
Regular Holiday

December 31 (Wednesday)
Last Day of the Year
Special Non-working Day

For your reference, here is the link to the holidays for the year 2025.