

Excel code or StartOfWeek enumeration that determines which day the week begins. If you have a multi-column table, you can shape it into a single-column table, as working with tables describes. If you pass a single-column table that contains numbers, the return value is a single-column table of results, one result for each record in the argument's table. All weeks are starting on Monday and ending on Sunday (ISO-8601). If you pass a single number to these functions, the return value is a single result. Week Numbers 2015 Calendar There are 53 weeks in 2015. In Excel, the WeekNum function supports an addition code 21 that is not supported here use ISOWeekNum instead. ISOWeekNum always uses Monday as the start of the week. You can provide either an Excel code number or use the StartOfWeek enumeration: Excel code
#Iso week number 2015 iso
Use the second parameter to WeekNum to specify which day begins a week. For example, notice the difference between the Gregorian and ISO 8601 calendars for the end of 2015: Weeks 52 & 1 become 52 & 53. It is possible that 52 or 53 may be returned for the first days of January since the dates could belong to the last week of the previous year. The result from this function can range from 1 to 53. This follows the ISO 8601 date and time standard definition for week numbering. ISOWeekNum uses the week containing the first Thursday of the year as the first week of the year. The result from this function can range from 1 to 54. WeekNum uses the week containing January 1 as the first week of the year. ISO 2015 is a standard of the International Organization for Standardization (ISO), superseded by ISO standard ISO 8601. These functions differ in how they determine the first week of the year (week 1): Weeks are according United States calendar rules, Sunday first day and weeks are Sunday to Saturday. Use the WeekNum and ISOWeekNum functions to determine the week number of a date. Number of weeks in 2018 year is 52 weeks. Use the second parameter to WeekNum to specify which day begins a week. Returns the week number of a specific date. This follows the ISO 8601 date and time standard definition for week numbering.
