"Thu, 12 Feb 1970 15:06:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700212
Only TIME
15:06:00
General datetime
1970-02-12 15:06:00Z
For Database
1970-02-12 15:06:00
For HTTP1.1
Thu, 12 Feb 1970 15:06:00 GMT