# Yuga(s) [[sb/2/10/46#purport|SB 2.10.46]] * cycle of, [[bg/8/17|Bg. 8.17]] * cycle of, duration of, [[sb/7/10/11#purport|SB 7.10.11]] * duration of, [[sb/10/3/27#purport|SB 10.3.27]] * durations of, [[bg/4/1|Bg. 4.1]] (2), [[bg/8/17|Bg. 8.17]] * Dvāpara-, [[bg/4/1|Bg. 4.1]] (5) * four listed, [[sb/5/17/12#purport|SB 5.17.12]] * in Manu’s life, [[sb/8/1/2#purport|SB 8.1.2]], [[sb/8/13/11#purport|SB 8.13.11]] * Kali-, [[bg/4/1|Bg. 4.1]] (5) * *See also:* Kali-yuga * Kali. See: Kali-yuga * Lord’s advent in, [[sb/8/5/27#purport|SB 8.5.27]] * names of, [[sb/7/9/38#purport|SB 7.9.38]] * nature of each, [[bg/8/17|Bg. 8.17]] * present, [[bg/4/1|Bg. 4.1]] (5) * religion deteriorates during, [[sb/8/14/4#purport|SB 8.14.4]] * religion diminishes during, [[sb/1/16/25#purport|SB 1.16.25]], [[sb/1/17/25#purport|SB 1.17.25]] * sacrifices according to, [[sb/7/14/16#purport|SB 7.14.16]], [[sb/7/14/39#purport|SB 7.14.39]] * Tretā-, [[bg/4/1|Bg. 4.1]] (5) * Tretā. See: Tretā-yuga *See also:* Dvāpara-yuga; [Kali-yuga](entries/kali-yuga.md); Millenniums; specific yugas *See:* Ages; universal; specific ages