NeonTetra, you could use a Camera tripod for nite shoot. Then
you can experiment with longer exposure so maximum light can go
into the film. It also prevents blurriness cos it looked like you
are holding the camera for nite scenes.
Also, gloomy day like the ones shot out the Cathedral... advisable
not to waste film cos the lighting and all is not desirable at all.
Advisable to go in the early morning before noon. Else the shadows
will be to harsh. Late afternoon is good for shooting too. Just
some of the pointers.
Have fun!