"Tue, 24 Feb 1970 00:53:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700224
Only TIME
00:53:41
General datetime
1970-02-24 00:53:41Z
For Database
1970-02-24 00:53:41
For HTTP1.1
Tue, 24 Feb 1970 00:53:41 GMT