Answer: The "Kali" of Kali Yuga means "strife", "discord", "quarrel" or "contention" and Kali Yuga is associated with the demon Kali (not to be confused with the goddess Kālī). According to Puranic sources, Krishna 's departure marks the end of Dvapara Yuga and the start of Kali Yuga, which is dated to 17/18 February 3102 BCE.