"Fri, 02 Jan 1970 05:26:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700102
Only TIME
05:26:42
General datetime
1970-01-02 05:26:42Z
For Database
1970-01-02 05:26:42
For HTTP1.1
Fri, 02 Jan 1970 05:26:42 GMT