It will really depend on timing: Presentation first thing not...

It will really depend on timing: Presentation first thing not bad as everyone is awake, but chance everyone has forgotten you by days end. Pre lunch not great as everyone is irritable, still it does mean you get it over and done with then can go for long one yourself followed by feet up on couch afternoon.
After lunch is generally good, but then you have to put off your own beer and dips until the evening. Thirsty work. Given the share price level and the good ship Venus taking on H2O i think after lunch it will be. Cant afford feet on couch right now.
Last thing in the day is hopeless as everyone thirsty and switched off.

So as I said, timing critical