"Sat, 07 Feb 1970 19:41:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700207
Only TIME
19:41:01
General datetime
1970-02-07 19:41:01Z
For Database
1970-02-07 19:41:01
For HTTP1.1
Sat, 07 Feb 1970 19:41:01 GMT