(something) to call (one's) own
Said of something that one can claim ownership of or see as within one's control. This morning has been so crazy that I haven't had five minutes to call my own! I've been dreaming of the day I have a car to call my own.
call one's own
Claim or regard something as one's possession or under one's control, as in Victorian wives had almost nothing to call their own. This expression, dating from about 1600, today is often used in a negative context, as in the example. It also appears in can't call one's time one's own, which dates from the 18th century and means one spends much of one's time in someone else's service, as in The hours in this job are terrible; I can't call my time my own.
call your own
If you have something to call your own, it belongs to you. I think you should have a place you can call your own. She has hardly had a moment to call her own for the last seven years.