Jehovah's Witnesses: Can I get some clarification?

god said no one knows the day or the hour of the battle of harmogedon, not the angels in the heavens and not even his son jesus knows . when i was younger i heard people say oh in 1976 will be the end/ thats called personal concept. a personal belieef, not one backed by the bible. i would go to asemblys and see people standing there with signs saying they were wrong, i always talked to those people and , i never said oh they are an apostate or some thing like that. hay people are people, right? a good person admits when they are wrong. and when yor wrong and can addmit to it your learning