How to Change Time and Day on Honeywell Wi-Fi Thermostat RTH9580WF

The only time you can manually set the time and date on the Honeywell RTH9580WF (or any of the 9000 series color touchscreen models), is when the thermostat is not connected to Wi-Fi (the internet).  When it is connected, it gets the time and date from the internet, and so, you cannot set it yourself.  … Continue reading How to Change Time and Day on Honeywell Wi-Fi Thermostat RTH9580WF