"Mon, 26 Jan 1970 12:34:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700126
Only TIME
12:34:58
General datetime
1970-01-26 12:34:58Z
For Database
1970-01-26 12:34:58
For HTTP1.1
Mon, 26 Jan 1970 12:34:58 GMT