How to code this batch file?

I would like to run the following code within batchfile, if and only if current time is greater than 9 am.

Does anyone have any suggestions on how to add this condition on following coding?

Thanks in advance for any suggestions :>

start /b /max "IE" "C:\Program Files\Internet Explorer\IEXPLORE.EXE" "http://www.cnn.com"

Thanks in advance for any suggestions