National Elderly Day in Indonesia

National Awakening Day in Indonesia on May 20;

The beginning of Gawai Dayak on May 31 (Dayaks in Sarawak, Malaysia and West Kalimantan, Indonesia, Brunei Darussalam);

Coral Triangle Day on June 9 (The CTD was first held on June 10, 2012, as a regional interpretation of World Oceans Day. During the 8th Coral Triangle Initiative on Coral Reefs, Fisheries and Food Security (a multilateral partnership to safeguard the Coral Triangle's marine and coastal biological resources) Senior Official Meeting, member countries declared to designate the Coral Triangle Day to be held annually. The region covers the exclusive economic zones of six countries: Indonesia, Malaysia, Philippines, Papua New Guinea, Solomon Islands, and Timor-Leste);

Muslim New Year on June 16 (The Islamic New Year, also known as Arabic New Year, Muharram or Hijri New Year is the day that marks the beginning of a new Hijri year);

Dragon Boat Festival or Duanwu Festival on June 19;

World Rainforest Day on June 22;