Centos yum error with epel

Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again

Try 

URLGRABBER_DEBUG=1 yum check-update

maybe cause it can not create https (secure of http) ... 

Check your system date (if date is not update ... https can not work) by using "date" command.

install ntp to auto - sync system date. 

yum --disablerepo epel install ntp
service ntpd restart

check your system date by "date" command ... after 5 - 10 sec ... your system time will be synced.