The Kalachakra Tantra (Skt. kālacakratantra; Tib. དུས་ཀྱི་འཁོར་ལོ་, dükyi khorlo, Wyl.dus kyi 'khor lo) is one of the main tantras practised by the Sarma or New Translations schools within Tibetan Buddhism. The name means wheel of time or time-cycles. It has a unique presentation of cosmology.
His Holiness the 14th Dalai Lama has given the transmission of the Kalachakra many times around the world for the sake of world peace.
Further reading
The Dalai Lama and Jeffrey Hopkins, The Kalachakra Tantra: Rite of Initiation, Boston, Wisdom Publications, 1989, ISBN 978-0861711512
Khedrup Norsang Gyatso, Ornament of Stainless Light: An Exposition of the Kalachakra Tantra, Library of Tibetan Classics (Wisdom Publications, 2001), ISBN 978-0861714520
