Under the 1935 constitution Presidents were inaugurated at noon of 30th December:
President Quirino Taking Oath (30 Dec 1949) #547 to 549, 4 Jul 1950
President Macapgal Taking Oath (30 Dec 1961) #865 to 867, 12 Jun 1962
Independence Day Commemorative
Inauguration of President Marcos (30 Dec 1965) #950 to 921, 12 Jun 1966
Overprint for Inauguration of President Marcos for a second term (30 Dec 1969) #1050, 30 Dec 1969
Only two president under the 1935 constitution were not inaugurated on 30th December:
President Roxas Taking Oath (4 Jul 1946) #512 to 514, 4 Jul 1947
First Anniversary of Independence
The inauguration is usually held at the Quirino Grandstand in Luneta. Quirino, Magsaysay, Garcia, Macapagal, Marcos, Ramos and Benigno Aquino were inaugurated at this place.
However, four Presidents have been inaugurated at Malcanang Palace: Quirino and Garcia took the oath of office in the Malacanan Palace as they all became president upon the death of their predecessor. Marcos (1986) and Duterte (2016) also took their oaths at Malcanang Palace
Presidents Estrada and Arroyo only delivered their inaugural addresses at the Quirino Grandstand in Luneta and to date they are the only presidents to take the oath of office and inaugural addresses at different places.
President Macapagal-Arroyo Taking Oath at the EDSA shrine (20 Jan 2001) #2778, 29 Apr 2001
President Macapagal-Aroyo Taking Oath in Cebu (30 Jun 2004) #2986 and 2987, 9 Nov 2005
President Estrada taking oath at Barosian Church and giving Inaugural Speech at Quirino Grandstand (30 Jun 1998) #2566 and 2567, 10 Nov 1988
Presidents Aguinaldo (1899) and Estrada (1998) were inaugurated at the Barosoain Church, Malolos, Bulacan.
Quezon, Laurel, Roxas and Marcos Jr. were inaugurated in front of the Legislative Building. Corazon Aquino in Sampaguita Hall (now Kalayaan Hall) in Greenhills.
Osmena took the oath of office in the United States, as he became president upon the death of their predecessor.
The oath of office is usually administered by the Chief Justice of the Philippine Supreme Court. However:
President Aquino III taking oath (30 Jun 2010) #3319 and 3320, 26 Jul 2010
Rodrgio Duterte (2016) was also sworn in the Associate Justuce who was also his fraternity brother
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