"Thu, 29 Jan 1970 23:32:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700129
Only TIME
23:32:28
General datetime
1970-01-29 23:32:28Z
For Database
1970-01-29 23:32:28
For HTTP1.1
Thu, 29 Jan 1970 23:32:28 GMT