"Wed, 07 Jan 1970 23:34:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700107
Only TIME
23:34:25
General datetime
1970-01-07 23:34:25Z
For Database
1970-01-07 23:34:25
For HTTP1.1
Wed, 07 Jan 1970 23:34:25 GMT