"Mon, 05 Jan 1970 03:42:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700105
Only TIME
03:42:26
General datetime
1970-01-05 03:42:26Z
For Database
1970-01-05 03:42:26
For HTTP1.1
Mon, 05 Jan 1970 03:42:26 GMT