"Thu, 22 Jan 1970 12:54:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700122
Only TIME
12:54:17
General datetime
1970-01-22 12:54:17Z
For Database
1970-01-22 12:54:17
For HTTP1.1
Thu, 22 Jan 1970 12:54:17 GMT