"Thu, 05 Mar 1970 00:53:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700305
Only TIME
00:53:42
General datetime
1970-03-05 00:53:42Z
For Database
1970-03-05 00:53:42
For HTTP1.1
Thu, 05 Mar 1970 00:53:42 GMT