This is quite experimental, but you may want to give it a try...
Timing parameters are already built in the import function of the test site. That is, if you add ">>11:00" to an address, the due time will automagically be set to 11:00 AM.
The same rule applies to the deeplink or html parameter list, which is handled by the same function. To get the time parameter into the URL use the following:
We'll note JSON file support down for future development