"Thu, 26 Mar 1970 07:11:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700326
Only TIME
07:11:42
General datetime
1970-03-26 07:11:42Z
For Database
1970-03-26 07:11:42
For HTTP1.1
Thu, 26 Mar 1970 07:11:42 GMT