Advantages and disadvantages of relative dating
An average year is exactly 52.1775 weeks long; months (1/12 year) average at exactly 4.348125 weeks.An ISO week-numbering year (also called ISO year informally) has 52 or 53 full weeks.A precise date is specified by the ISO week-numbering year in the format from 1 through 7, beginning with Monday and ending with Sunday.For example, the Gregorian date 31 December 2006 corresponds to the Sunday of the 52nd week of 2006, and is written 2006-W52-7 (in extended form) or 2006W527 (in compact form).If it is on a Sunday, it is part of week 52 of the previous year. If it is on a Thursday, it is in week 53 of the year just ending; if on a Friday it is in week 52 (or 53 if the year just ending is a leap year); if on a Saturday or Sunday, it is in week 52 of the year just ending.The long years, with 53 weeks in them, can be described by any of the following equivalent definitions: All other week-numbering years are short years and have 52 weeks.Method: Multiply the week number by 7, then add the weekday.
If it is on a Saturday, it is part of the last week of the previous year which is numbered 52 in a common year and 53 in a leap year. This week’s properties are: If 31 December is on a Monday, Tuesday or Wednesday, it is in week 01 of the next year.
The ISO week date system is effectively a leap week calendar system that is part of the ISO 8601 date and time standard issued by the International Organization for Standardization (ISO) since 1988 (last revised in 2004) and, before that, it was defined in ISO (R) 2015 since 1971.
It is used (mainly) in government and business for fiscal years, as well as in timekeeping.
What I learned from carrying out an interview of a female and the interview of a male trying to dig into this intriguing subject was that using the Internet for dating is equally painful for men and for women, but for very different reasons.
Ironically enough, if you could take the best of those women and the best of those men, and place them in a big room where they could sit at a table and ask each other questions in person – you’d probably have 4 or 5 new match-ups by the end of the night. All they have to do is get online every day, sitting on their princess throne and file through the dozens or more profiles of men who have messaged them throughout the day.
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This was previously known as "Industrial date coding".