"Thu, 26 Feb 1970 07:12:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700226
Only TIME
07:12:03
General datetime
1970-02-26 07:12:03Z
For Database
1970-02-26 07:12:03
For HTTP1.1
Thu, 26 Feb 1970 07:12:03 GMT