OK Dragonfly! Hold onto your hats while I give you some suggestions for some switches you can make on Monday!
Term 1:
Math 1Z04 to C02
Engineer 1D04 tutorial to T01 or T02 (This requires a sacrifice of doing a Monday morning tutorial, but it's worth it)
Physics 1D03 to C02
Chem 1E03 lab to L43, 44, 53, or 54
AND VOILA! You have Thursday off first semester! As well as ending earlier and not having a Friday afternoon lab. How's that sound!?
Term 2:
Engineer 1C03 to C07
Physics 1E03 to C02
Physics 1E03 lab to L13 or 16
That lets you sleep in more and solves your conflict!
Hope that helps!
EDIT: After double checking, you don't get Thursday off, it just becomes much shorter. Sorry for raising those hopes!