"Mon, 26 Jan 1970 02:47:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700126
Only TIME
02:47:08
General datetime
1970-01-26 02:47:08Z
For Database
1970-01-26 02:47:08
For HTTP1.1
Mon, 26 Jan 1970 02:47:08 GMT