"Tue, 02 Jun 1970 07:11:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700602
Only TIME
07:11:06
General datetime
1970-06-02 07:11:06Z
For Database
1970-06-02 07:11:06
For HTTP1.1
Tue, 02 Jun 1970 07:11:06 GMT