While using NaturalHR some users might find that they can see bank holidays that don't apply to them in their calendar, when investigating further you might find that these days have not been mapped from Time and Attendance -> Holidays.
For example, the user in the screenshot below is based in the UK but they can see a United States based bank holiday in their calendar:
If we look at this user's Localisation settings by clicking their profile picture followed by Localisation:
We can then see that this user has their 'Calendar Public Holidays' settings set to display the UK and USA by mistake:
If we untick the USA checkbox and click Submit, the incorrect public holidays should no longer populate the calendar: