There is a big different..hindus believe that the last kalpa will be the end of the universe and the Devtas en Devis. The
Satyug----1728,000years
Threta----1296,000years
Dawapar----864,000years
Kalyug-----432,000years
Total-----4320,000years
4320,000 multiplied with 1000 is equal to one day of Brahma and is know as one "Kalpa"
Brahma's age is 100 Kalpa.
Knowledge cannot be destroyed..so the Guru Granth Sahib will live forever.