Porhalaan
The Porhalaan is the traditional calendar of the Batak people of North Sumatra, Indonesia. The Batak Calendar is a lunisolar calendar consisting of 12 months divided to 30 days with an occasional leap month.
The Porhalaan is the traditional calendar of the Batak people of North Sumatra, Indonesia. The Batak Calendar is a lunisolar calendar consisting of 12 months divided to 30 days with an occasional leap month.
The Porhalaan is the traditional calendar of the Batak people of North Sumatra, Indonesia. The Batak Calendar is a lunisolar calendar consisting of 12 months divided to 30 days with an occasional leap month.
Source: Wikipedia "Porhalaan" · CC BY-SA 4.0
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