"Fri, 30 Jan 1970 12:26:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700130
Only TIME
12:26:38
General datetime
1970-01-30 12:26:38Z
For Database
1970-01-30 12:26:38
For HTTP1.1
Fri, 30 Jan 1970 12:26:38 GMT