"Wed, 01 Apr 1970 07:11:22"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700401
Only TIME
07:11:22
General datetime
1970-04-01 07:11:22Z
For Database
1970-04-01 07:11:22
For HTTP1.1
Wed, 01 Apr 1970 07:11:22 GMT