Kalachakra

Kalachakra, also known as the “Wheel of Time”, is the central deity of the Kalachakra Mandala as described in the Kalachakra Tantra. The deity has four faces: a wrathful black face in the center, a lustful red face on the right, a peaceful white face on the left, and a meditative yellow face on the back of his head. Although the yellow face is directly behind the central face, it is depicted to the deity´s left to be visible.