Kalasan temple is stated in the Kalasan inscription, written in the Javanese year of 700 (778 AD). The Kalasan inscription is written in Sanskrit language and pranagari letter. The inscription describes that spiritual counselors of the Syailendra dynasty had advised King Tejapurnapana Panangkarana to build a scared building to the worship of Dewi Tara and a monastery for Buddhist monks. According to Raja Balitung inscription (907 AD), Tejapurna Panangkarana refers to Rakai Panangkaran, the son of Sanjaya King from Hindu Mataram kingdom.