Can a year have 364 days?

Question

Here is some fun.

I just downloaded the .NET 4 source and found the following comment at the beginning of the file TimeSpan.cs:

... while a year may contain 365 or 364 days

Should I worry?

Answer 1

I don’t know what a comment on the source code means, but there are a few more exotic calendars in which only a year has 364 days, for example. a calendar transition :

- , . , , ISO, - .

ISO , ( ) , . ( ISO) 52 53 (364 371 ).

. 364 13 . , ​​, Wikipedia:

• Pax

Answer 2

, , ?

Answer 3

, . , 364 ! , - , . - 1752,

jlouis@illithid:~$ cal sep 1752
   September 1752
Mo Tu We Th Fr Sa Su
    1  2 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30

, .

http://en.wikipedia.org/wiki/Gregorian_calendar#Adoption

.

: , , . , .

Answer 4

, 365 366 ? , 364 .

Answer 5

No, he can not. Maybe you should worry. Although the number of whole weeks x days per week = 52 x 7 = 364