"Thu, 15 Jan 1970 05:53:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700115
Only TIME
05:53:15
General datetime
1970-01-15 05:53:15Z
For Database
1970-01-15 05:53:15
For HTTP1.1
Thu, 15 Jan 1970 05:53:15 GMT