"Thu, 22 Jan 1970 18:26:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700122
Only TIME
18:26:05
General datetime
1970-01-22 18:26:05Z
For Database
1970-01-22 18:26:05
For HTTP1.1
Thu, 22 Jan 1970 18:26:05 GMT