"Fri, 09 Jan 1970 07:45:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700109
Only TIME
07:45:34
General datetime
1970-01-09 07:45:34Z
For Database
1970-01-09 07:45:34
For HTTP1.1
Fri, 09 Jan 1970 07:45:34 GMT