Maha Shivaratri Hari Sabtu 13 Febuari 2010 (tanggalnya berbeda dari tahun ke tahun)
*The festival is principally celebrated by offerings of Bael (Bilva) leaves to the Lord Shiva, all day fasting and an all night long vigil. Per scriptural and discipleship traditions, the penances are performed in order to gain boons in the practice of Yoga and meditation (Wikipedia)