"Fri, 27 Feb 1970 00:53:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700227
Only TIME
00:53:57
General datetime
1970-02-27 00:53:57Z
For Database
1970-02-27 00:53:57
For HTTP1.1
Fri, 27 Feb 1970 00:53:57 GMT