"Fri, 02 Jan 1970 03:43:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700102
Only TIME
03:43:15
General datetime
1970-01-02 03:43:15Z
For Database
1970-01-02 03:43:15
For HTTP1.1
Fri, 02 Jan 1970 03:43:15 GMT