i have X ICP and place them into a Neuron for 365days and get a voting power of Y.
A.) In order to get back my ICP currently locked for 365d, when do i need to start disolving my neuron? after the 365d have passed? Also, if so, do i get them immediately, or is there another delay i need to think of?
B.) Voting: when can i vote? Is it immediately after locking ICP into a neuron or after the delay (365d)?
To simplify even more you need a minimum 6 months lock to be able to vote. As @Severin very accurately described you can vote from day one if the min 6 mo is in place and starting on proposals created after you did the staking. One thing to consider is that when you reach the last 6 months remaining to dissolve you can no longer cast a vote, so take that into your calculations. So in your example for one year if you start after 6 months you will get rewards for voting for 1 year but will be able to withdraw after 1 and a half year.