By an office-holder
Tiwah
Not fixed; scheduled jointly by several families
Held at intervals of several years because of its cost. The most recent occurrence recorded in this corpus: August 2024, Kapuas.
Calendar
Most ceremonies in this corpus do not fall on a fixed Gregorian date. This calendar therefore does not force a date: it states how the timing of each is determined, and declines to display an estimate where the determination cannot be computed.
Filter by how the timing is determined
September
- By observation
- Timing is set by direct observation — moon, tide, or the appearance of a creature. It cannot be computed in advance.
- Computed from a calendar
- Computable from the relevant customary calendar and mappable onto the Gregorian calendar.
- Fixed by an institution
- Fixed and announced in advance by a court, an institution, or a district government.
- By an office-holder
- Determined by a customary office-holder on grounds not computable from outside. Indonesiana does not estimate the date.