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Sunset time incorrect


rick.curl
Go to solution Solved by William Olsen,

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Posted

I don't know if this is a hardware issue or a software issue.  I never had a problem with Sunset until I migrated to Eisy. Now it's off by about half an hour.  My time zone is set correctly and the realtime clock is correct, but in the Admin console I see sunset time given as 8:16PM, but the correct sunset time (for today) is 7:51PM. I'm running IoX 5.6.0.  

Where should I look for the problem?

-Rick 

Posted

Rick, from the admin screen select {configuration} Tab, make sure that if you observe DST that box should be ticked. At the {Change Location} drop down I actually put in my Lat & Long as a custom item, you could also choose your nearest city Just make sure that the {Timezone Offset GMT} is accurate

EISY Time Config.JPG

Posted

Thanks, William- but the time of day is correct.  If this was a time zone or DST issue I would expect the clock to be off by exactly one or more hours.  It's only sunset that is incorrect, and it's off by roughly half an hour.

 

-Rick

Posted (edited)

I have the same problem. The system time is correct, but the sunrise time is off by about 1 hour, and the sunset time is off by about 20 minutes.

I only have 2 programs that use sunrise times, so I just added 1 hour in their If statements.

I'm running an Eisy on IoX version 5.6.0.

Edited by jaysmc
Posted
13 hours ago, rick.curl said:

Thanks, William- but the time of day is correct.  If this was a time zone or DST issue I would expect the clock to be off by exactly one or more hours.  It's only sunset that is incorrect, and it's off by roughly half an hour.

 

-Rick

During the recent DST change it was discovered thateisy had some issues with the time of sunset. This may be one that didn't get reported then. Best to let UD know via a help ticket.

https://www.universal-devices.com/my-tickets/

 

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  • Solution
Posted

Rick, your elevation above sea level also affects your actual SR & SS times, that's why I suggested confirming your actual Latitude and Longitude as I did during my initial set-up of my Eisy. I've found this calculator easy and reliable: https://latlongdata.com/

Don't use a minus (-) sign when entering the Longitude as it will give an error. I hope this works for you.

 

Bill Olsen

Lat Long.jpg

  • Like 2
Posted

Hi Bill-

I was doubting you, but I did as you said and it did correct it. Now it's within 2 minutes of what the weather bureau says.  Plenty close for me!!

Thank you!!

 

-Rick

  • Like 1
Posted
20 hours ago, jaysmc said:

I have the same problem. The system time is correct, but the sunrise time is off by about 1 hour, and the sunset time is off by about 20 minutes.

I only have 2 programs that use sunrise times, so I just added 1 hour in their If statements.

I'm running an Eisy on IoX version 5.6.0.

Hi Jay-

Bill's solution of entering the exact LAT & Long did fix it.  I was skeptical, but all is good now.

Posted
On 5/31/2023 at 7:19 PM, rick.curl said:

Hi Jay-

Bill's solution of entering the exact LAT & Long did fix it.  I was skeptical, but all is good now.

Yes, I always thought the manual Lat/Lon entry was broken, but then tried inverting the sign on the Lon and it worked!

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