"Wed, 25 Mar 1970 00:53:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700325
Only TIME
00:53:27
General datetime
1970-03-25 00:53:27Z
For Database
1970-03-25 00:53:27
For HTTP1.1
Wed, 25 Mar 1970 00:53:27 GMT