Does anyone change light source CCTs by the season? « on: December 24, 2021, 03:26:53 AM » Author: WorldwideHIDCollectorUSA
After learning about Japan’s seasonal high pressure sodium/mercury vapor seasonal lamps, I am starting to get into the idea of changing lamp color temperatures along with the seasons. For example, I would use 1800K-3000K light sources such as high pressure sodium, low pressure sodium, and warm white fluorescent in the winter; 3500K-4500K light sources such as natural white and cool white fluorescents and /DX mercury vapor lamps in the spring and fall; and 5000K+ light sources such as daylight fluorescent lamps, clear mercury vapor lamps, and aquarium metal halide lamps in the summer. Does anyone else change light source color temperatures to suit the seasons like I am considering?
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	Re: Does anyone change light source CCTs by the season? « Reply #1 on: December 24, 2021, 05:09:42 AM » Author: Medved
To me it would be too much hassle. I use to specify lamps according to when the given place benefits from the optimized CCT. When some place is lit off its season, usually the illumination quality is not important, so what is there for its season is usually still good enough.
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	Re: Does anyone change light source CCTs by the season? « Reply #3 on: December 24, 2021, 05:37:27 AM » Author: dor123
In my room at my father home, I put 160W SBMV at winter and a CFL at the summer. In my room at my hostel, I use my tracklight with my 10000K and my 14000K 70W lamps from Aliexpress at the winter, and with my white 70W MH lamps, or the 21W T5 lamp at the summer.
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	Re: Does anyone change light source CCTs by the season? « Reply #5 on: December 24, 2021, 11:39:46 AM » Author: AngryHorse
No, it’s usually best to mix them so you get the best of both worlds all year round  , I have an equal mix of 2700, 4000 and 6500 K in my kitchen alone, I can even separately switch them so you just get one colour!
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	Re: Does anyone change light source CCTs by the season? « Reply #6 on: December 24, 2021, 12:17:46 PM » Author: Joe Maurath, Jr.
Quote from: Mandolin Girl on December 24, 2021, 06:00:34 AM When Ria's SAD gets bad we need something to boost the LPS. So we run up a lamp with daylight temperature when there is less sunlight available.  When I am feeling down in the dumps, firing up a dimmed out, well-aged clear MV lamp always does the trick    <admin edit - quote fixed>
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	Re: Does anyone change light source CCTs by the season? « Reply #8 on: December 24, 2021, 10:33:33 PM » Author: xmaslightguy
No but... In both my bedroom & the familyroom, its just a matter of what switch you turn on. Lights are F32T8 with 2 dimmable ballasts, each on its own switch... So in familyroom you can have Reveal(2600k) or Daylight(6500k) or some combination thereof. In bedroom its IncandescentFluorescent/Daylight (basement familyroom has WarmWhite/Daylight, though not dimmable like the others. But that room is just used for storage now.)
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	Re: Does anyone change light source CCTs by the season? « Reply #10 on: December 26, 2021, 09:58:11 AM » Author: icefoglights
I don't really change CCT by season, instead choosing CCT by location or task, or in some cases changing it randomly. That said, I remember one time when I was using C50 tubes in the preheater that used to be above computer desk.  I spent an afternoon driving home from work in traffic with blowing snow, then trying to find the road under incredibly flat light conditions.  When I got home, I decided the C50s had to come down and WWX went up in their place.
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