Ardhachandra Mudra is defined as a pose with thump of Pataka outstretched (all other fingers stretched out and held together to depict the half moon). Ardhachandra is used to depict digit of moon on eighth night during waning fortnight, grabbing and pushing by neck, lance, consecrating and bathing an image, dining vessel, source of origin, waist, contemplating on oneself, meditation, invocation, touching of ones limbs and accosting ordinary people.