"Wed, 07 Jan 1970 19:41:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700107
Only TIME
19:41:27
General datetime
1970-01-07 19:41:27Z
For Database
1970-01-07 19:41:27
For HTTP1.1
Wed, 07 Jan 1970 19:41:27 GMT