Perhaps they want the prospective buyers and operators to see the Aircraft during the maximum daylight hours? According to the times provided it will land just as the sun rises and leaves just after sun set so it will be parked during all the available daylight for that day...
The VAA will probablly be busy with measurements as well I would think, so lot's of work to do which would be easier in the daylight...
Not nearly as Machiavellian, but logical...
