How many working days in year 1981?
Here is the detail of the calculation:
Because 1981 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 8 public holidays that do not fall during a weekend and we obtain 253 working days in 1981.
Here is the list of these 8 public holidays:
1. פסח : Sunday, 19 April, 1981
2. יום העצמאות : Thursday, 7 May, 1981
3. שבועות : Monday, 8 June, 1981
4. ראש השנה : Tuesday, 29 September, 1981
5. ראש השנה : Wednesday, 30 September, 1981
6. יום כיפור : Thursday, 8 October, 1981
7. סוכות : Tuesday, 13 October, 1981
8. שמחת תורה/שמיני עצרת : Tuesday, 20 October, 1981
And here are the 2 public holidays falling on a weekend:
1. פורים : Friday, 20 March, 1981
2. שביעי של פסח : Saturday, 25 April, 1981