"Mon, 16 Mar 1970 00:53:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700316
Only TIME
00:53:27
General datetime
1970-03-16 00:53:27Z
For Database
1970-03-16 00:53:27
For HTTP1.1
Mon, 16 Mar 1970 00:53:27 GMT