The Bali Wariga is one of the traditional time reckoning in Indonesia that used for determining the good or bad time for daily activity, such as determining time of season. The season in is divided into 12 months, which is adjusted to the tropical season system, the dry and rainy seasons. This research discuss about how the Bali Wariga season system in the light of astronomical studies, in accordance with the current scientific progress.
Departing from the knowledge of the Wariga, can be seen the reflection of ancient cultural wealth can still be attached to today's society. Binding to culture, not narrowing the use of Wariga only to the regional scope. Therefore, Bali Wariga as a local genius of the Nusantara certainly needs to be preserved and can be explored further so it can be proven scientifically.
This research is a type of qualitative research with a literature research study (library research). The data collection method are the documentation, containing data about seasonal system of Wariga and also interviews method adressed to Wariga experts. The data obtained are analyzed descriptively, describing the Bali Wariga season system based on existing theories.
This study result in two findings. First, from the analysis of astronomical perspective, in line with the time theory called Kala contain the appearance of the sun (Uttarayana and Dhaksinayana) and the appearance of the Orion constellation used for determining season in Wariga. Second, the analysis is carried out on the accuracy test for the beginning of season using 3 references, the annual motion of the sun, the appearance of star, and the climatological reference using seasonal data issued by the Meteorology, Climatology and Geophysics Agency or BMKG. The result obtained is that the beginning of the Bali Wariga season is in line with these three references result.