[tobyhill]

Can he decide when they reconvene? If the congress reconvenes within every 3 days then technically they still aren't on recess.

[Sgt_Schultze]

No. A President has no role in the schedule, agenda, calendar or rules of either house of Congress. The current Congress is functioning under the Harry Reid established schedule designed to repell recess appointments. The current senate is still not in recess.