A year is not a number of working days. It is one number in Germany and a different one in India, and it changes again if your week is not Monday to Friday. Pick a jurisdiction and a year and we will show every month, with the closures that shortened it named.
Working across several places? The Operating Calendar does this for your whole set at once →
Counted from the same corpus the Calendar API serves, so this page and an API answer for the same jurisdiction cannot disagree. Public holidays only — company shutdowns, school terms and local half-days are not in it, and a closure that falls on a day your week already excludes costs you nothing.
Count between two dates Add working days to a date Find the long weekends