the way I would do this is not to animate the skylight at all. What you do is light your scene halfway between day and night - have a look at day for night hollywood films for reference - then you use animated post processing and material shifts to do the day to night transition.
Trying to set up a day-night cycle in UDK and it looks great in the matinee editor... But when I go to the actual game, the skylight is being a total dick and wont animate. Skylight toggleable doesn't do anything either. I asked on the UDK forums and the best answer I got was that it is a bug and also to "think outside the…
Hey guys thanks for replying! Sprunghunt - imma try that animated post process thing next. So far though the issue is that I DO want bottom-up lighting in the day to simulate bounce light, but none at night to get the shadows back to really dark. I could try some kind of color shift thing in the post process maybe? I'll…