"Fri, 02 Jan 1970 10:00:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700102
Only TIME
10:00:43
General datetime
1970-01-02 10:00:43Z
For Database
1970-01-02 10:00:43
For HTTP1.1
Fri, 02 Jan 1970 10:00:43 GMT