Abu Na'ilah and Abu Amr Set a Specific Time

According to Awakah they just took place on the 14th of Rabir, Awal in the third year of the Hidra. therefore he, Abu Na'ilah set a particular time, he goes look we have to do this in secret because we don't want anybody to see us,. so let's come at such and such a time at night  and it was a full moon. The Prophet walked with them to Bakhay al-Rakhat then blessed them basically, may Allah help you in your mission. If that is true then it's even easier than if Qab had been killed between Badan and Awal. But nonetheless there is another interpretation