In Virginia how long do I have to change my last name after marriage?

I was married three months ago and had to leave the country abruptly due to family matters. Now that I am back I need/want my last name to be that of my husband's. Does anyone have information on how long you have after marriage to change your name without filing with the court?????In Virginia how long do I have to change my last name after marriage?You still have time, I think it is a year.In Virginia how long do I have to change my last name after marriage?a yearIn Virginia how long do I have to change my last name after marriage?It should be done BEFORE the divorce.