"Fri, 02 Jan 1970 10:01:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700102
Only TIME
10:01:52
General datetime
1970-01-02 10:01:52Z
For Database
1970-01-02 10:01:52
For HTTP1.1
Fri, 02 Jan 1970 10:01:52 GMT