Lord Brahma: Kalpa or One Day of Brahma

                                                                  Q. What happens at the end of Kali yuga to all those souls that have not yet realized God?

                                                                  Q. Srila Prabhupada in his purport to Bg 8.17 gives in detail about the lifetime of Brahma (i.e. about yuga, Manvantra, Kalpa and so forth). Can I get the actual reference to these statements?

                                                                  The calculation of Vedic time scales is described in great detail in Srimad Bhagavatam, Canto Three, Chapter 11. Specifically see 3.11.18, 19, 22 & 23 for above definitions.