"Fri, 02 Jan 1970 22:06:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700102
Only TIME
22:06:15
General datetime
1970-01-02 22:06:15Z
For Database
1970-01-02 22:06:15
For HTTP1.1
Fri, 02 Jan 1970 22:06:15 GMT