Finally unearthed my timer. I forgot that you need a PhD to program it. Lol It's an "astronomical" timer. It has a function where you set the date/year and it will simulate dawn and dusk based on that calendar year. So in theory you could simulate a "natural" growing season indoors. I never actually used that feature. I got it because I can program up to 20 events. It ran my entire indoor grow except for my aeroponics system and CO2 which each had a dedicated bi-phase timer. Separate times for lights, circulation fans (24/7) and inline fans (reflector/temp-humidity monitor- controller). The reflector inline ran an additional hour after lights out.
To make a long story longer. Lol
Anywayyyy.....I found it!