"Wed, 04 Mar 1970 07:12:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700304
Only TIME
07:12:09
General datetime
1970-03-04 07:12:09Z
For Database
1970-03-04 07:12:09
For HTTP1.1
Wed, 04 Mar 1970 07:12:09 GMT