"Tue, 03 Feb 1970 15:13:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700203
Only TIME
15:13:10
General datetime
1970-02-03 15:13:10Z
For Database
1970-02-03 15:13:10
For HTTP1.1
Tue, 03 Feb 1970 15:13:10 GMT