Week number calendar 2015 iso#

Likewise, the last week of the ISO calendar year can end as early as 28В December and as late as 3В January Likewise, the last week of the ISO calendar year is the last week that contains at least four days of the month of December.ДЄccording to this rule the first week of the ISO calendar year can begin as late as 4В January and as early as 29В December The numbering of the ISO calendar weeks is defined (sect.В 2.2.10 on p.В 5) as: the first calendar week of a year is that one which includes the first Thursday of that yearДЄnd the last calendar week of a calendar year is the week immediately preceding the first calendar week of the next calendarДЄnother way of stating the above rule is that the first week of the ISO calendar year is the earliest week that contains at least four days The week in the ISO calendar is defined (sect.В 2.2.8 on p.В 5) as a: time interval of seven calendar days starting with a Monday identified by its ordinal number On average, however, it remains in step with the Gregorian calendar. The ISO calendar corresponds with the Gregorian calendar (sect.В 3.2.1 on pp.В 7-8) and uses the same year number but as its length isДefined to be an integral number of weeks, its beginning can deviate up to a few days from 1В January and its end likewise can deviate up toДЄ few days from 31В December. The calendar defined in the ISO standards 20 is commonly Repealed on 1В June 1988 with the imminent introduction of ISOВ 8601. This week numbering scheme was introduced earlier by the ISO with the standard ISOВ 2015:1976 ( Numbering of Weeks) and was Mathematics of the ISO 8601 Calendar - The ISO Calendar The ISO 8601 Calendar

Week number calendar 2015