Define a period

...

How many working days in year 2045?

Here is the detail of the calculation:

Because 2045 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 53 sundays. It remains 260 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 253 working days in 2045.

Here is the list of these 7 public holidays:

1. Maundy Thursday : Thursday, 6 April, 2045
2. Good Friday : Friday, 7 April, 2045
3. Easter Monday : Monday, 10 April, 2045
4. Ascension Day : Thursday, 18 May, 2045
5. Whit Monday : Monday, 29 May, 2045
6. Christmas Day : Monday, 25 December, 2045
7. Boxing Day : Tuesday, 26 December, 2045

And here are the 3 public holidays falling on a weekend:

1. New Year's Day : Sunday, 1 January, 2045
2. Easter Sunday : Sunday, 9 April, 2045
3. Pentecost : Sunday, 28 May, 2045