The 7-day week is the international standard week (ISO 8601) used by the majority of the world. A common year roughly adds up to 52 weeks of 7 days each plus 1 day – or 2 days, if it's a leap year. Although this is the international standard, several countries, including the United States and Canada, consider Sunday as the start of the week. In some countries this may not be legally possible; if so: Brianski grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. The answer to this lies in the oldest language and planetary positions! At least 592 new coronavirus deaths and 51,094 new cases were reported in the United States on Oct. 10. For updates about new posts, sites I find useful and the occasional rant you can follow me on Twitter. NEW DELHI: India added a record 80,092 fresh Covid cases on Sunday, becoming the first country in the world to cross the 80,000-mark in one single day since the outbreak of … While this is one of those things that are pretty simple to do once you know the solution it did take me a couple of hours to get it right. All structured data from the file and property namespaces is available under the. Original file ‎(SVG file, nominally 2,754 × 1,398 pixels, file size: 1.06 MB). Also known as false dawn, zodiacal lights are rare optical phenomena that occur around sunset and sunrise in early spring and late fall. I recently found myself having a DateTime value and needing to calculate the date of the first day in the week that my known date was in using C#. My first instinct was to calculate the first day of a week by subtracting dayInWeek.DayOfWeek - firstDayInWeek days from dayInWeek where dayInWeek is a DateTime specifying a date in the week. The names of the 7 days of the week in most Latin-based languages come from the Roman calendar, which related each day with 7 celestial bodies considered to be gods: the Sun, the Moon, Mercury, Venus, Mars, Jupiter, and Saturn. See Venus cozy up to the Waning Crescent Moon in the early morning hours. Updated with the latest CLDR data, and made some minor formatting changes. It is a tricky question to answer. Although this is the international standard, several countries, including the United States and Canada, consider Sunday as the start of the week. Based on research and historical findings, some contradictory results were discovered. PS. As I shifted to using a Swedish culture it broke down and I had to find a better solution. © Time and Date AS 1995–2020. show Kosovo and Palestine because they're listed in the CLDR data. My first instinct was to calculate the first day of a week by subtracting dayInWeek.DayOfWeek - firstDayInWeek days from dayInWeek where dayInWeek is a DateTime specifying a date in the week. For athletes, it’s a time to be excited—the season is almost here, after all. It turns out that something as simple as calculating a the first day of a week is trickier than one might expect, at least if we want a solution that works for all cultures. However, the names for the other days of the week have been replaced by their equivalent Norse or Germanic gods. Size of this PNG preview of this SVG file: Add a one-line explanation of what this file represents, (SVG file, nominally 2,754 × 1,398 pixels, file size: 1.06 MB), User:OgreBot/Uploads by new users/2017 March 03 04:30, User:OgreBot/Uploads by new users/2019 September 13 10:30, User:OgreBot/Uploads by new users/2020 August 24 01:30, User:OgreBot/Uploads by new users/2020 January 09 09:00, User:OgreBot/Uploads by new users/2020 January 13 07:30, User:OgreBot/Uploads by new users/2020 January 13 13:30, User:OgreBot/Uploads by new users/2020 March 05 18:00, File talk:First Day of Week World Map.svg, Wikipedia:Reference desk/Archives/Humanities/2017 May 10, Wikipedia:Reference desk/Archives/Humanities/2017 May 11, https://commons.wikimedia.org/wiki/user:Saeed.gnu, copyrighted, dedicated to the public domain by copyright holder, released into the public domain by the copyright holder, https://commons.wikimedia.org/w/index.php?title=File:First_Day_of_Week_World_Map.svg&oldid=457712597, Creative Commons Attribution-ShareAlike License, This file is saved in human-editable plain text format. Privacy & Terms. That worked fine as long as I did the calculations in an environment where the culture was English, where the first day of the week is Sunday which is enumerated as 0 in DayOfWeek (against international standards which says the first day of the week is monday). The Third or Last Quarter Moon is when the opposite half of the Moon is illuminated compared to the First Quarter. Read more, Getting property and method names using static reflection in C#, C# method for cropping text without breaking words, A neat little type inference trick with C#, Detecting mouse and keyboard input with .NET, Exception order when awaiting multiple async tasks in C#, A simple example of the Open/Closed Principle, Inversion of Control – It’s broader than just injecting components, Invoking methods based on a parameter without if-else statements in C#. Common explanation points to Babylonian astrologers who assigned planet gods to the days of rest and worship of... 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