Supernatural: How Time Works In Hell (Based On When Dean Was There) 

screenrant.com -BY MICHAEL KENNEDY - At the end of 邪恶力量 season 3, Dean was sent down to Hell, and after his return, revealed how time works there when compared to Earth.
密码: 邪恶力量, how time works in hell, 迪恩·温彻斯特, 詹森·阿克斯