"Wed, 07 Jan 1970 01:01:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700107
Only TIME
01:01:14
General datetime
1970-01-07 01:01:14Z
For Database
1970-01-07 01:01:14
For HTTP1.1
Wed, 07 Jan 1970 01:01:14 GMT