Right time, Right time! But what is the right time to speak?

Failue, disappeared, they say: "Right time, right time. It wasn't the proper time!", but: What's the right time to ask? What's the right time to advise? What's the right time to speak? What's the right time to stay silent? What's the [right time for delay](https://buddhism.stackexchange.com/a/23083/11235) ? May one answer when ever thought being the right time. *[Not given for trade, exchange, stacks or whatever binds to this wheel but for gaining release from it.]*