Tridium Astrological Clock

[bolt950rider]

Is there anything in Tridium that has a pre built Astrological Clock that can be used for sunset/sunrise times for exterior lighting?


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[energyStarBoy]

Isnt it in weather jar?
Also axCommunity?

[digo]

Is there anything in Tridium that has a pre built Astrological Clock that can be used for sunset/sunrise times for exterior lighting?

SunPosition object from the weather palette.

This object is ideal in that it does not rely on a connection to a weather provider, it simply performs the calculations based on longitude / latitude

[bolt950rider]

Great! Didn’t realize it was in there.
Thank you both.


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[bolt950rider]

So I am finally starting to look at it more, so how can I take the sunrise/sunset times and turn them into something useable?
The times are string values correct? I don’t see anything to do math with or to send it into a schedule...

I’d like for the lights to come on 30min before sunset, and 30min after sun set.
Thanks!


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[orion242]

The links to the ON/OFF times are to the sun position block sunrise/sunset times. LightsOn/LightsOff are just for gfx display so the owner can see when its going to happen. EnableSignLights is kicking on a sign 30min prior and after sunset/sunrise. Sure there are more elegant ways, but it got'r'done.

When you link math blocks to those times in the sun position, they are converted to the number of ms from some fixed date. At that point its just a comparison with current time.



fyi

I accept beer money, lol.

[lwarren]

I have a program object that you you can link the sun position block to. It has a boolean output that goes true when the sun is up with adjustable offset times for sunrise and sunset.