"Tue, 06 Jan 1970 07:29:07"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700106
Only TIME
07:29:07
General datetime
1970-01-06 07:29:07Z
For Database
1970-01-06 07:29:07
For HTTP1.1
Tue, 06 Jan 1970 07:29:07 GMT