How many working days in year 1989?
Here is the detail of the calculation:
Because 1989 is not a leap year, it has 365 days.
Let's remove 52 saturdays and 52 sundays. It remains 261 days.
Now, let's remove 6 public holidays that do not fall during a weekend and we obtain 255 working days in 1989.
Here is the list of these 6 public holidays:
1. Purim : Tuesday, 21 March, 1989
2. Pesach : Thursday, 20 April, 1989
3. Shvi'i shel Pesach : Wednesday, 26 April, 1989
4. Yom Ha-Atzmaut : Wednesday, 10 May, 1989
5. Rosh Hashanah : Sunday, 1 October, 1989
6. Yom Kippur : Monday, 9 October, 1989
And here are the 4 public holidays falling on a weekend:
1. Shavuot : Friday, 9 June, 1989
2. Rosh Hashanah : Saturday, 30 September, 1989
3. Sukkot : Saturday, 14 October, 1989
4. Shemini Atzeret / Simchat Torah : Saturday, 21 October, 1989