How do Tapo P100 and P110 devices handle daylight savings time?

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How do Tapo P100 and P110 devices handle daylight savings time?

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
How do Tapo P100 and P110 devices handle daylight savings time?
How do Tapo P100 and P110 devices handle daylight savings time?
2022-10-26 03:29:47 - last edited 2024-01-15 03:28:33

 

I am curious how the Tapo P100 and Tapo P110 devices

and also the Tapo App handle daylight savings time.

 

I can see in the "Device Info" screen that my devices are set to "Europe/London" timezone.

I assume the devices have a built in clock (to allow them to run on schedules etc.)

 

At the moment UK is in "BST" (British Summer Time) which is "GMT +1"

 

 

If I've specified a schedule on my P100 (or P110) devices,

 

what will happen

when "Summer" i.e. Daylight Savings Time ends and the timezone and clocks change by one hour?

 

- Will the devices themselves automatically adjust their clocks?

- Will the schedule adjust accordingly or stay fixed to its current times?

 

(only relevant to P110):

- How will this affect the "Summer/Winter" and "Time-Of-Use" settings that are now available in the Tapo App

 

I only need to specify Summer/Winter due to UK "Daylight Savings Time" where the clocks change by 1 hour (but the off-peak and on-peak times do not)

otherwise (in my case) there's no other change in schedule (same every day, weekends, all year round)

 

So in the app I need to manually setup Summer/Winter start end dates  (which change every year by the way)

and then setup different "time of use" schedules for summer/winter - just to account for the 1 hour time difference

 

Maybe useful options would be:

 

1) To be able to just set the time-of-use timetable in standard time "GMT" in my case   (or perhaps UTC +/- xx)

and a checkbox allowing user to specify whether the timetable should or should not change with daylight savings time?

2) automatically determine when daylight savings times start/end for the given timezone/country

3) with the "Schedule" times - again allow user to specify with each on/off event whether or not daylight savings time should be factored in or not

i.e. automatically adjust back/forward 1 hour on the appropriate dates for that country/timezone.

I don't really want to have to go re-program the scehdules 2x a year

 

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Re:How do Tapo P100 and P110 devices handle daylight savings time?
2022-11-11 11:13:02 - last edited 2024-01-15 03:28:33

  @TimMoss 

 

I am not sure how The P110 handles daylight saving time for scheduling, but for energy monitoring it seems a problem

 

Version 2.11.23 of the Android app allows (some) data export. The lines below are exported figures around DST. Prior to DST the time value is 00:00:00 after DST it is 23:00:00. 

 

2022/10/29 00:00:00    0.05
2022/10/30 00:00:00    0.468
2022/10/30 23:00:00    0.726
2022/10/31 23:00:00    0.581
 

I am not sure what this does with the calculations within the app, but probably needs to be addressed by tp-link.

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