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Author Topic: Dusk dawn question  (Read 431 times)

runner49

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Dusk dawn question
« on: January 24, 2018, 04:54:51 PM »

I see that timer programming includes dusk/dawn settings. Does this also allow for offsets to the dusk/dawn times? Thanks.
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Tuicemen

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Re: Dusk dawn question
« Reply #1 on: January 24, 2018, 05:14:04 PM »

Yes before or after by up to 30 mins
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Tuicemen

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Re: Dusk dawn question
« Reply #2 on: February 01, 2018, 05:43:29 AM »

Since this ended up becoming a bug thread I split the thread and moved it to the Bug section
http://forums.x10.com/index.php?topic=30130.0
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arizona480

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Re: Dusk dawn question
« Reply #3 on: August 11, 2018, 11:29:34 PM »

Yes before or after by up to 30 mins

Dusk:  Does -30 mean if the sun sets at 6:00 pm the devices are turned on/off at 5:30 pm?  (+30 6:30 pm)?
Dawn: Does -30 mean if the sun rises at 6:00 am the devices are turned on/off at 5:30 am? (+30 6:30 am) ?


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dave w

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Re: Dusk dawn question
« Reply #4 on: August 12, 2018, 04:50:17 PM »

Yes before or after by up to 30 mins

Dusk:  Does -30 mean if the sun sets at 6:00 pm the devices are turned on/off at 5:30 pm?  (+30 6:30 pm)?
Dawn: Does -30 mean if the sun rises at 6:00 am the devices are turned on/off at 5:30 am? (+30 6:30 am) ?
It is randomized with the randomizing window; plus or minus, UP TO thirty minutes from the set time, or from the calculated dusk/dawn times.
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ceedee

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Re: Dusk dawn question
« Reply #5 on: August 12, 2018, 05:38:47 PM »

Yes before or after by up to 30 mins

Dusk:  Does -30 mean if the sun sets at 6:00 pm the devices are turned on/off at 5:30 pm?  (+30 6:30 pm)?
Dawn: Does -30 mean if the sun rises at 6:00 am the devices are turned on/off at 5:30 am? (+30 6:30 am) ?
It is randomized with the randomizing window; plus or minus, UP TO thirty minutes from the set time, or from the calculated dusk/dawn times.
Not sure that I agree with this.  When I set offset times, my lights turn on relative to sunset times.  If I set the offset to -5, the light turns on 5 minutes before sunset...not dusk.  Perhaps I am confused.

BTW, do not mix sunrise/sunset and dusk/dawn terminology. They are completely different.  For instance, civil, nautical, and astronomical dusk times occur AFTER sunset!
« Last Edit: August 12, 2018, 05:43:36 PM by ceedee »
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dave w

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Re: Dusk dawn question
« Reply #6 on: August 13, 2018, 09:34:43 PM »

Not sure that I agree with this.  When I set offset times, my lights turn on relative to sunset times.  If I set the offset to -5, the light turns on 5 minutes before sunset...not dusk.  Perhaps I am confused.
No, I think I am.
ceedee's question implied the offset was exactly 30 minutes (or what was set as the offset). I was trying to clarify that the offset is a randomized amount within the set offset limits. 
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