Explanation of general signs

except days of rest daily  except days of rest daily 
on work-days on work-days
with the exception of the last work-day of the weeks on work-days with the exception of the last work-day of the weeks on work-days
on the first work-days of the weeks on the first work-days of the weeks
on the last work-days of the weeks on the last work-days of the weeks
on free days on free days
on free days and days of rest  on free days and days of rest 
with the exception of the free days daily with the exception of the free days daily
on days of rest on days of rest
on the day preceding the first work-day of the week on the day preceding the first work-day of the week
on school-days on school-days
during school holiday on work-days during school holiday on work-days