"Fri, 02 Jan 1970 22:05:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700102
Only TIME
22:05:55
General datetime
1970-01-02 22:05:55Z
For Database
1970-01-02 22:05:55
For HTTP1.1
Fri, 02 Jan 1970 22:05:55 GMT