Rule for calculating the cost of electricity

[rossko57]

As you are using OH3, “now” is a zonedDateTime object and you will have to work with different methods to the OH2 rule that you copied.

DateTime Conversion (openHAB 3.x)

Because openHAB 2.x rules use Jodatime instead of Java Time API, there is still the old DateTime Conversion thread for openHAB 2.x. Overview In openHab 3.x there are different ways to handle Date/Time values. DateTimeType A DateTime Item carries a DateTimeType. Java Time By default openHAB 3.x Rules DSL use java.time API to represent date and time. Principle java date-time concepts are LocalDateTime (date and time without any offset or time-zone) and ZonedDateTime (“full” date-time wit…