"Fri, 01 May 1970 07:11:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700501
Only TIME
07:11:35
General datetime
1970-05-01 07:11:35Z
For Database
1970-05-01 07:11:35
For HTTP1.1
Fri, 01 May 1970 07:11:35 GMT