how much time has passed on the walking dead
up vote 3 down vote. I don't have my issues of The Walking Dead handy, but around issue No. 90 or so, the editors explicitly state that fifteen months have passed since the initial outbreak.I believe it was the issue right before the comment from Rick about how canned fish should not be good for three years.p vote 3 down vote. I don't have my issues of The Walking Dead handy, but around issue No. 90 or so, the editors explicitly state that fifteen months have passed since the initial outbreak.