Thread: ты и вы: when to use one and not the other

Originally Posted by it-ogo

For example - Можно на "ты".

Другими словами, когда не посчитается невежливым спросить кого-л "можно на ты" ?
Пообщавшийся несколько часов, дней или никогда?

There is a universal rule for all the times and countries. If you have any doubts about local traditions keep it for locals to follow these traditions.

As far as you are not sure whether it is suitable to ask for "ты" wait until your friend offer to do so.