"Sat, 07 Mar 1970 07:12:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700307
Only TIME
07:12:12
General datetime
1970-03-07 07:12:12Z
For Database
1970-03-07 07:12:12
For HTTP1.1
Sat, 07 Mar 1970 07:12:12 GMT