"Tue, 27 Jan 1970 05:32:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700127
Only TIME
05:32:58
General datetime
1970-01-27 05:32:58Z
For Database
1970-01-27 05:32:58
For HTTP1.1
Tue, 27 Jan 1970 05:32:58 GMT