Best time to enter Park for entrance to Fantastmic New Year Day

Any advice entering HS in the early evening for Fantastmic? Modifying plan to spend NYE at Epcot and adding an extra day for HS. Fantastmic and the Osbourne Lights are really the only 2 things that are a MUST to see. So willing to miss out on the rides.

Update: Managed to downgrade Moderate to Value Resort to fit in an extra day ticket. Will do Epcot Dec 31st and HS in the late Afternoon on Jan 1st. Plan to arrive HS around 3 or 4pm. Sound reasonable??? I know its going to be the craziest time of the year.