Here's my photoperiods. I work from about 8am to 6pm so most of my tanks are dark for most of the day so that I can enjoy or work on them when I get home for at least a few hours. I don't change the photoperiods for the weekends.
1pm
96w PC lights on 40g come on
2pm
65w PC lights on 25 come on
110w VHO lamps on 75 come on
5pm 175w MH light on 75g comes on
9pm 175w MH light on 75g goes off
10pm
110w VHO lamps on 75g go off
65w PC lights on 25 go off
11pm
96w PC lights on 40g go off
As for my work nano:
9am 32w PC lights go on
8pm 32w PC lights go off.
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