Why don't astronomers use everyday units to measure distances (what is an AU or a pc)? (Intermediate)
How this formula works: The WEEKNUM function takes two arguments, a date, and, optionally, an argument called return_type, which controls the scheme used to calculate the week number. See the WEEKNUM page for more information. B4 contains a date value for January 5, 2016. The DAY function returns the number 2 representing the calculated week number. Note that by default, the WEEKNUM function uses a scheme where week 1 begins on January 1, and week 2 begins on the next Sunday (when the return_type argument is omitted, or supplied as 1).
the last week of the iso week numbering year i e the 52nd or 53rd one is the week before week 01 this week s properties are it has the year s last thursday in it it is the last week with a majority 4 or more of its days in decembergnore the remainder the quotient equals the week number if the week number thus obtained equals 0 it means that the given date belongs to the preceding week based year if a week number of 53 is obtained one must check that the date is not actually in week 1 of the following year