"Mon, 05 Jan 1970 01:24:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700105
Only TIME
01:24:47
General datetime
1970-01-05 01:24:47Z
For Database
1970-01-05 01:24:47
For HTTP1.1
Mon, 05 Jan 1970 01:24:47 GMT