I'm confused... if you have a double timer, what's the problem?
Can you not shorten the morning time to 8-10, then make the evening 5-11 ?
I have blue LED lights, they are very nice.. got mine off ebay.
I use an led bubble strip. It's blue and totally awesome cuz it lights up the bubbles
http/www.thatpetplace.com/pet/prod/246841/product.web