Combine / adding up two time variabele

[Paul92]

Hi all,

I was searching for a solution to create a custom time input for a switch on the dashboard (not via switch timers).
The time for switching on/off must be very easy to change frequently.

No I was thinking to create a workaround as follow:

- Created a selector switch for hours (00-23u)
- Created a selector switch for minutes (steps of 10 minutes 00, 10, 20, 30 ....50)
(dashboard is dashticz).

time input

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Per selector I write the value to a hour and minute variable via json

selector switch action

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The variable changes

variabele value

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Does someone know / can advise / help me how to combine these two variabele [hh:mm] into one variabele?
The 02:00h and 00:20h in the example must be 02:20h.
Afterwards I can compare this with the system time and switch on/off.

Thanks
Paul