Calendar standards - Revision history

Heth: /* Week numbers */

2013-07-08T20:11:38Z

‎Week numbers

2013-07-08T20:09:51Z

‎The Christian Easter

2013-07-08T12:21:48Z

‎The Muslim Ramadan

2013-07-08T12:02:16Z

‎Weeks

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‎Adoption of the Gregorian calendar

2013-07-08T12:00:42Z

‎Adoption of the Gregorian calendar

2013-07-08T11:59:36Z

‎Adoption of the Gregorian calendar

2013-07-08T11:59:17Z

‎Adoption of the Gregorian calendar

2013-07-08T11:53:36Z

‎Adoption of the Gregorian calendar

2013-07-08T11:52:57Z

‎Adoption of the Gregorian calendar

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 =Week numbers=
-Week numbers are used in some European and Asian countries, but rare elsewhere<ref>[[w:ISO_8601#Week_dates|ISO 8601 week dates]]</ref>. Week numbers are standardized by ISO-8601 which states week 1 is ''"The week with the year's first Thursday in it."'' Another definition for week 1 is ''"The week with 4<sup>th</sup> January in it."''
+Week numbers are used in some European and Asian countries, but rare elsewhere<ref>[[w:ISO_8601#Week_dates|ISO 8601 week dates]]</ref>. Week numbers are standardized by ISO-8601 which states week 1 is ''"The week with the year's first Thursday in it."'' Another definition for week 1 is ''"The week with January 4<sup>th</sup> in it."''
 A ISO-8601 year consists of either 52 or 53 weeks, depending on if it's leap year or the date of the first Thursday in the year.

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 ==The Christian Easter==
-The Western Christianity the Easter<ref>[[w:Easter#Reform_of_the_date|Easter date]]</ref> using the Gregorian calender, Easter always falls on a Sunday between 22<sup>nd</sup> March and 25<sup>th</sup> April inclusive, within about seven days after the astronomical full moon. The following day, Easter Monday, is a legal holiday in many countries with Christian traditions.
+The Western Christianity  Easter<ref>[[w:Easter#Reform_of_the_date|Easter date]]</ref> use the Gregorian calender. Easter always falls on a Sunday between 22<sup>nd</sup> March and 25<sup>th</sup> April inclusive, within about seven days after the astronomical full moon. The following day, Easter Monday, is a legal holiday in many countries with Christian traditions.
 In Eastern Christianity the Easter is based on the Julian Calender<ref>[[w:Easter#Date|Easter date]]</ref>.

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 ==The Muslim Ramadan==
-The Muslim Ramadan<ref>[[w:Ramadan|Ramadan]]</ref> is the ninth of the Islamic calender<ref>[[w:Islamic_calendar|Islamic calender]]</ref>. The Islamic calender is a lunar calendar following the moon phases.
+The Muslim Ramadan<ref>[[w:Ramadan|Ramadan]]</ref> is the ninth month of the Islamic calender<ref>[[w:Islamic_calendar|Islamic calender]]</ref>. The Islamic calender is a lunar calendar following the moon phases.
 =References=

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 =Weeks=
-A week<ref>[[w:week|The seven day week]]</ref> is a time unit equal to seven days. It is the standard time period used for cycles of work days and rest days in most parts of the world. The ISO 8601 week begins with Monday and ends with Sunday.  most European countries
+A week<ref>[[w:week|The seven day week]]</ref> is a time unit equal to seven days. It is the standard time period used for cycles of work days and rest days in most parts of the world. The ISO 8601 week begins with Monday and ends with Sunday.
 Not all parts of the world have a work week that begins with Monday. For example, in some Muslim countries, the work week may begin on Saturday, while in Israel it may begin on Sunday. In the US the work week is often defined to start on Monday, although the week itself is usually considered to start on Sunday<ref>[[w:ISO_week_date#Disadvantages|Week start day]]</ref>

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 == Adoption of the Gregorian calendar  ==
-[[Image:Septemper 1752.png|thumb|right|200px|Linux/UNIX British calendar from September 1752.]]
+[[Image:Septemper 1752.png|thumb|right|200px|Linux/UNIX British calendar from September 1752. (Default time standard)]]
 [[Image:March_1700.png‎|thumb|right|200px|Linux/UNIX Danish calendar from February 1700.]]
 The Gregorian calender was adopted by various countries on different dates. When switching from the Julian to the Gregorian calendar it was necessary to adjust the calender by dropping the the days accumulated in the nearly 1800 years since the Julian calender was introduced.

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 The Gregorian calender was adopted by various countries on different dates. When switching from the Julian to the Gregorian calendar it was necessary to adjust the calender by dropping the the days accumulated in the nearly 1800 years since the Julian calender was introduced.
-By example the Gregorian calender was adopted by Denmark March 1<sup>st</sup> 1700<ref>[[w:Gregorian_calendar#Beginning_of_the_year| Year of adopting the Gregorian calender]]</ref> by dropping the last 13 days of February. The British Empire adopted the Gregorian calender September 14<sup>th</sup> 1752.
+By example the Gregorian calender was adopted by Denmark March 1<sup>st</sup> 1700<ref>[[w:Gregorian_calendar#Beginning_of_the_year| Year of adopting the Gregorian calender]]</ref> by dropping the last 11 days of February. The British Empire adopted the Gregorian calender September 14<sup>th</sup> 1752.
 In the western world today we refer to the British adoption of the Gregorian calender September 14<sup>th</sup> 1752.