The following instructions are from Honeywell's FAQ.
You have the option to choose between 2 type of schedules:
"Daily" (each day individually)
"Week + Weekend" (Monday-Friday; Saturday-Sunday)
In order to choose either of the settings, follow this procedure:
Access the Advanced menu ("ADV") by pressing the icon for 5 seconds.
Tap on the or icon to toggle through the menu.
Tap the icon to select "Schedule Options".
Tap on either of these buttons: / to select either "Daily" or "Week+Weekend" schedule.
Once the desired schedule option has been chosen, press the icon to save the change.
To set the schedule on the T6 Smart Thermostat, follow the steps below:
Tap on the icon on the screen of the thermostat
Tap on the icon select "SCHEDULE"
If setting a daily schedule, “MONDAY” will show up as the first day to be adjusted. Once "MONDAY" has been set, “TUESDAY”, “WEDNESDAY”, “THURSDAY”, “FRIDAY”, “SATURDAY” and “SUNDAY” will be displayed in turn
If setting a “Week + Weekend” schedule “MO-FRI” will show up as the first set of days to be adjusted. Once finished, “SA-SU” will be displayed as the last set of days to be adjusted
Use the or to select the day (for “Daily” schedule) or days to be adjusted (for “Week + Weekend” schedule) if you do not want to adjust the first selection, and the button to confirm.
Use the or to select the periods to be adjusted (1 to 6)
The selected period flashes.
Tap on the time (start time / end time) that needs to be changed.
The selected time flashes, meaning that it can be changed.
If the time does not start flashing, this means that it cannot be altered. Please see article Why is the Start/End Time blocked when creating a schedule on the T6/T6R Smart Thermostat? for a solution.
Tap on or to change the time.
Tap on the to confirm the change.
Tap on the temperature to change it.
The temperature will start flashing.
Tap on or to adjust the temperature.
Touch to confirm the changes.
When the adjustments are done, tap on to save the changes.
To delete a period use the right and left arrows
to select the period. The number of the selected period will flash.
Tap on the to delete the selected period.
The screen will read "DELETE".
Tap on the to confirm or to cancel without deleting.
Touch to save the scheduled changes.