"Tue, 10 Feb 1970 01:01:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700210
Only TIME
01:01:28
General datetime
1970-02-10 01:01:28Z
For Database
1970-02-10 01:01:28
For HTTP1.1
Tue, 10 Feb 1970 01:01:28 GMT