Why is my iPhone 5C keeps losing the proper date?

Is this caused by the wrong settings? Or maybe it is due to the fulty chip .

I am waiting to find out your experience!

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0