"Mon, 26 Jan 1970 23:32:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700126
Only TIME
23:32:35
General datetime
1970-01-26 23:32:35Z
For Database
1970-01-26 23:32:35
For HTTP1.1
Mon, 26 Jan 1970 23:32:35 GMT