| Bureau of Plant Industry’s Diamond Anniversary Month |
January 2005 |
| Day of Prayer and Mourning for all Tsunami victims |
January 7, 2005 |
| Best Dives Philippines Week |
2nd Week of January |
| Day of Sanctity and Protection of Human Life |
3rd Sunday of January |
| Autism Consciousness Week |
3rd Week of January |
| National Health Insurance Program Month |
February 2005 |
| Philippine Marathon for the Pasig River Month |
February |
| National Dental Health Month |
February |
| National Arts Month |
February |
| Constitution Day |
February 2 |
| National Wetlands Day |
February 2 |
| National Awareness Week for the Prevention of Child Sexual Abuse and Exploitation |
2nd Week of February |
| Observance of the Chinese Lunar New Year |
February 9, 2005 |
| Rotary Centennial Week |
February 17 - 23, 2005 |
| Filipino Values Week |
February 21 - 26, 2005 |
| National Birth Registration Day |
February 23, 2005 |
| Philippine Marathon for the Pasig River Day |
February 27, 2005 |
| National TOYM Week |
Last week of February |
| Purchasing and Supply Chain Management Week |
March 1 - 5, 2005 |
| Day of the Unborn |
March 25 |
| Women with Disabilities Day |
Last Monday of March |
| Panagyaman Rice Festival, the national celebration of successful rice harvest |
April |
| Tax Awareness Month |
April 2005 |
| National Disability Week |
1st Week of April |
| Hog Farmers Week |
April 4 to 10, 2005 |
| Period of National Mourning over the passing away of Pope John Paul II |
April 4 to 8, 2005 |
| Philippine Veterans Week |
April 5 to 10, 2005 |
| Filipino-Chinese Freedom Fighters |
April 17 |
| National Jaycee Week |
3rd Week of April |
| National Children’s Book Week |
3rd Week of April |
| Anti-Graft and Corruption Awareness Month |
May |
| Philippine Month of the Ocean |
May |
| National Heritage Month |
May |
| National Day to Commemorate and Propagate the Bayanihan Spirit as the Unique Filipino Way of Working Together as a People |
May 27 |
| Insurance Consciousness Week |
4th Week of May |
| Philippine Book Development Month |
June |
| National Information and Communication Technology (ICT) Month |
June 2005 |
| Philippine Eagle Week |
June 4 - 10 |
| Philippine-Spanish Friendship Day |
June 30 |
| Typhoon and Flood Awareness Week |
3rd Week of June 2005 |
| Philippines Arbor Day |
June 25 |
| National Biotechnology Week |
1st Week of July |
| Disaster Consciousness Month |
July |
| Nutrition Month |
July |
| Police Community Relations Month |
July |
| Buwan ng Wika |
August |
| White Cane Safety Day |
August 1 |
| National Breastfeeding Week |
August 1 - 7 |
| Social Security Month |
September |
| National Peace Consciousness Month |
September |
| Rule of Law Month |
September |
| Development Policy Research Month |
September |
| National Crime Prevention Week |
1st Week of September |
| Obesity Prevention Awareness Week |
1st Week of September |
| National Physical Therapy Day |
September 8 |
| Printing Industry Week |
September 19 - 25, 2005 |
| Management Consciousness Week |
September 27 - 30 |
| Coastal Clean up Week |
3rd Week of September |
| National Building Management Industry Week |
3rd Week of September |
| National Maritime Day |
Last Friday of September |
| Family Week |
4th Week of September |
| National Quality and Productivity Improvement Month |
October |
| Cooperative Month |
October |
| National Children's Month |
October |
| National Statistics Month |
October |
| Animal Welfare Week |
1st week of October |
| National Newborn Screening Week |
1st week of October |
| Special working holiday in the Province of Occidental Mindoro (Tamaraw Conservation Month) |
October 1 |
| National Osteoporosis Awareness Week |
2nd Week of October |
| National Week for Overcoming Poverty |
October 17 - 23 |
| United Nations Week |
October 18 - 24 |
| Bone and Joint (Musculo-Skeletal) Awareness Week |
3rd Week of October |
| National Attention Deficit/Hyperactivity Disorder Awareness Week |
3rd Week of October |
| Prison/Corrections Awareness Week |
3rd Week of October |
| National Indigenous Peoples Thanksgiving Day |
October 29 |
| National TOWNS Week |
Last week of October |
| Philippine Electronics Industry Week |
Last week of October |
| Food Safety Awareness Week |
Last week of October |
| Child Development Week |
Last week of October |
| Clean Air Month |
November |
| Filipino Values Month |
November |
| National Construction Month |
November |
| Traditional & Alternative Health Care Month |
November |
| National Rice Awareness Month |
November |
| National Radiologic Technology Week |
2nd Week of November |
| National Day of Prayer and Fasting for National Strength and Unity Against all Adversities |
2nd Saturday of November |
| Chronic Obstructive Pulmonary Disease Awareness Day |
3rd Wednesday of November |
| Drug Abuse Prevention and Control Week |
3rd Week of November |
| National Music Week for Young Artist |
4th Week of November |
| National Week for the Gifted and Talented |
4th Week of November |
| Mindanao Week of Peace |
Nov 25 - Dec 1 |
| National Volunteer Month |
December |
| National Press Congress |
December |
| Araw ng Kagitingan at Katapangan sa Tipas |
December 1 |
| National Human Rights Consciousness Week |
December 4 - 10 |
| National Youth Participation in Nation-Building Week |
2nd Week of December |
| National Children’s Day of Broadcasting |
2nd Sunday of December |
| National day of prayer in honor of Our Lady of Guadalupe |
December 12 |
| Graciano Lopez-Jaena Day |
December 18 |