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Sunrise/Sunset Times and Daylight Saving
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ident
Administrator


Joined: Wednesday Aug 9th, 2006
Location: Singapore
Posts: 286
Status:  Offline
 Posted: Tuesday Sep 18th, 2007 12:44 pm
Comfort firmware 5.121 and above will have Sunrise/Sunset times which
are downloaded from Comfigurator 2.2.3 based on your location, city or
coordinates. There will be a Sunrise and Sunset Response which can
perform actions at the correct times, and a Night Flag is set after
sunset to allow checking by other actions. This takes into account
Daylight Saving time. In fact, Comfort will automatically adjust the
clock for Daylight saving time on the correct days, eg Last Sunday of
October and April, or the appropriate dates in other countries.
The Sunrise/sunset screen in Comfigurator is show below



See the topic http://www.comfortforums.com/forum20/1004.html for aan explanation of how Sunrise and Sunset times work with Daylight savinf

Last edited on Sunday Apr 6th, 2008 03:00 pm by admin

garym999
Comfort Installers


Joined: Saturday Aug 19th, 2006
Location: United Kingdom
Posts: 189
Status:  Offline
 Posted: Tuesday Oct 16th, 2007 06:56 pm
I can see the "Night time" flag under Actions, IF, system parameters but where are the sunrise and sunset responses?

Also you mention DST, I assume this now means that I no longer have to have a timer program to check the date etc. Comfort will change automatically?

Using Comfigurator V2.2.2

 

PS used this http://geodaisy.com/ to get my exact coordinates in the UK

admin
Administrator


Joined: Saturday Mar 3rd, 2007
Location: Singapore
Posts: 367
Status:  Offline
 Posted: Wednesday Oct 17th, 2007 01:41 am
Our changes are ahead of Comfigurator. The Misc Events for Sunrise and sunset are not added in yet. That will be in the next interim release. In the meantime, you will have to use the Locations Menu in Engineer Menu 7,4,3 to enter these values


Addendum
Sunrise and Sunset Responses have been implemented in Comfigurator 2.2.3, in Events > Misc Events

Last edited on Sunday Apr 6th, 2008 03:03 pm by admin

garym999
Comfort Installers


Joined: Saturday Aug 19th, 2006
Location: United Kingdom
Posts: 189
Status:  Offline
 Posted: Wednesday Oct 17th, 2007 06:35 am
And the locations are?

Also do I still have to test if we are in DST or not? Or will Comfort now update its clock automatically?

admin
Administrator


Joined: Saturday Mar 3rd, 2007
Location: Singapore
Posts: 367
Status:  Offline
 Posted: Wednesday Oct 17th, 2007 11:53 am
The Locations are
For Sunrise - 776 for the Lower Byte of the Response Number and 777 for the Higher byte of the Response  number
For Sunset - 778 for Lower byte Response number and 779 for theh higher byte of Rresponse number
The Locations are 8 bits which is why you need two locations to enter a Response number

eg if you want to enter Response 260 into Sunrise Response,
Location 776 = 4
Location 777 = 1
1 x 256 + 4 = 260

Engineer Menu 7,4,1  announces "Enter Location and # key"

Comfort will adjust its clock automatically for Daylight saving on the appropriate day at 3 AM, you will not have to do it


Last edited on Wednesday Oct 17th, 2007 11:56 am by admin

palmlodge
Member
 

Joined: Thursday Dec 14th, 2006
Location: United Kingdom
Posts: 225
Status:  Offline
 Posted: Thursday Oct 18th, 2007 06:42 am
Any reason why 3am ?

 

Strictly speaking, UK clocks change at 1am on the day.

 

 

Also, the old timer program which ran twice a year for DST adjustments - we no longer need this correct ?

admin
Administrator


Joined: Saturday Mar 3rd, 2007
Location: Singapore
Posts: 367
Status:  Offline
 Posted: Thursday Oct 18th, 2007 12:40 pm
3 AM was just chosen as a quiet time when nothing much should be happening
Different countries have different times for the change anyway
The old Response which was used in the Time Programs must not be ised now as that would cause an additional change


 Current time is 04:01 pm




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