བསྐལ་ཆེན་

A great kalpa (Skt. mahākalpa; Tib. བསྐལ་ཆེན་, Wyl. bskal chen) is the period of time during which the universe passes through the four periods (or medium kalpas) of

1. formation (Tib. ཆགས་པའི་བསྐལ་པ་, Wyl. chags pa'i bskal pa),
2. duration (Tib. གནས་པའི་བསྐལ་པ་, Wyl. gnas pa'i bskal pa),
3. destruction (Tib. འཇིག་པའི་བསྐལ་པ་, Wyl. 'jig pa'i bskal pa) and
4. voidness (Tib. སྟོང་པའི་བསྐལ་པ་, Wyl. stong pa'i bskal pa).

bskal chen - mahakalpa [according to the Abhidharmakosha tradition 80 small kalpas, acc to abhidharma-samuccaya = four {bskal chung} in human years dung phyur drug dang bye ba bdun sa ya gcig ‘bum dgu khri gnyis = 671,920,000, or another tradition says ‘khrug phrag bdun [IW]

See Also

• Kalpa