Title: Gdan dus thun mong gi rtsis gzhi  rtsis gzhung dus thun mong gi nges pa gsar du bkod pa dang bcas paʼi lag len lhan thabs gsal baʼi sgron me  gdan dus thun mong gi dus rtsis bltas chog dpyod ldan rig pa
Description: Essential works for understanding the Bhutanese calendar and calculations.