Ocean Duty Day
January 15, Wednesday

Historical Context
Maritime Service Day commemorates the Battle of Laut Arafura, one of the most significant naval battles in Indonesian history, which took place on January 15, 1962. During the battle, Indonesia attempted to retake control of western New Guinea (now known as West Papua), which was under Dutch rule at the time.
Traditions and Events
Military Ceremonies. Ceremonies are held on this day to honor the memory of fallen heroes. Ceremonies are held at naval bases and places associated with the country's maritime history.
Wreath-laying. Sailors and officers of the Navy lay wreaths at monuments and memorials dedicated to heroes of the naval service, including the monument to Yos Sudarso.
Patriotic events. Lectures, exhibitions, and film screenings are held dedicated to the exploits of the Indonesian Navy to remind citizens of the importance of protecting maritime territories.
Fleet parade. Naval parades are sometimes organized, in which ships and submarines of the Indonesian Navy participate.
Ocean Duty Day in other years
- 2021 January 15, Friday
- 2022 January 15, Saturday
- 2023 January 15, Sunday
- 2024 January 15, Monday
- 2026 January 15, Thursday