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:
“What, keep a week away? Seven days and nights,
Eightscore-eight hours, and lovers’ absent hours
More tedious than the dial eightscore times!
O weary reckoning!”
—William Shakespeare (1564–1616)
“Bath twice a day to be really clean, once a day to be passably clean, once a week to avoid being a public menace.”
—Anthony Burgess (b. 1917)