Expires header show wrong date

hi , i use curl -I http://localhost.com to and i saw something not right

HTTP/1.1 200 OK Date: Sat, 18 Jun 2016 16:52:10 GMT Content-Type: text/html; charset=UTF-8 Connection: keep-alive Set-Cookie: __cfduid=d238689c27ee7d08811c284b58ef429e61466268730; expires=Sun, 18-Jun-17 16:52:10 GMT; path=/; domain=.localhost.com; HttpOnly Vary: Accept-Encoding Set-Cookie: PHPSESSID=9kq91qcrokjl54f3v6qin0eku7; path=/ Expires: Thu, 19 Nov 1981 08:52:00 GMT

as you can see the “EXPIRES” above is back date,

is that normal ? if not does anyone can guide me how to fix that.

thank yo before