Week
In conjunction with the system of months there is a system of weeks. A physical or electronic calendar provides conversion from a given date to the weekday, and shows multiple dates for a given weekday and month. Calculating the day of the week is not very simple, because of the irregularities in the Gregorian system. When the Gregorian calendar was adopted by each country (but not Alaska), the weekly cycle continued uninterrupted. For example, in the case of the few countries that adopted the reformed calendar on the date proposed by Gregory XIII for the calendar's adoption, Friday, 15 October 1582, the preceding date was Thursday, 4 October 1582 (Julian calendar).
Opinions vary about the numbering of the days of the week. ISO 8601, in common use worldwide, starts with Monday=1; printed monthly calendar grids list Mondays in the first (left) column of dates and Sundays in the last. Software often starts with Sunday=0. In the United States, it's generally the case that Sunday=1, with Sundays shown in the left column of a monthly calendar page.
Read more about this topic: Gregorian Calendar
Famous quotes containing the word week:
“The press, that goiter of the world, swells up with the desire for conquest and bursts with the achievements which every day brings. A week has room for the boldest climax of the human drive for expansion.”
—Karl Kraus (18741936)
“How pleasant is Saturday night,
When Ive tried all the week to be good,
And not spoke a word that was bad,
And obliged everyone that I could.”
—Nancy Sproat (17661827)
“Young children constantly invent new explanations to account for complex processes. And since their inventions change from week to week, furnishing the correct explanation is not quite so important as conveying a willingness to discuss the subject. Become an askable parent.”
—Ruth Formanek (20th century)