Arbor Day 2025 Philippines. Arbor day has been observed in the philippines since 1947 when president manuel roxas set arbor day every second saturday of september through proclamation no. Arbor day in the philippines is celebrated on june 25, it was.
The commonwealth of the northern marianna islands (cnmi) celebrates arbor day on october 1 every year. 643 signed in 2004 institutionalized the observance of philippine arbor day every june 25.