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ISO week date

Index ISO week date

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. [1]

82 relations: Android (operating system), April 12, April 19, April 26, April 5, August 16, August 2, August 23, August 30, August 9, Broadcast calendar, Business, Calendar era, Calendar reform, Common year starting on Thursday, Coordinated Universal Time, December 13, December 20, December 27, December 6, Determination of the day of the week, Dominical letter, Doomsday rule, Equinox, February 1, February 15, February 22, February 8, Fiscal year, Government, Gregorian calendar, International Organization for Standardization, ISO 2015, ISO 8601, ISO week date, January 11, January 18, January 25, January 4, July 12, July 19, July 26, July 5, June 14, June 21, June 28, June 7, Leap week calendar, Leap year, Leap year starting on Thursday, ..., Leap year starting on Wednesday, Lexicographical order, March 1, March 15, March 22, March 29, March 8, May 10, May 17, May 24, May 3, May 31, Names of the days of the week, November 1, November 15, November 22, November 29, November 8, October 11, October 18, October 25, October 4, Ordinal date, September 13, September 20, September 27, September 6, Solstice, Symmetry454, Twitter, Week, 4–4–5 calendar. Expand index (32 more) »

Android (operating system)

Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.

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April 12

No description.

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April 19

No description.

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April 26

No description.

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April 5

No description.

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August 16

No description.

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August 2

No description.

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August 23

No description.

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August 30

No description.

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August 9

No description.

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Broadcast calendar

The broadcast calendar is a standardized calendar used primarily for the planning and purchase of radio and television programs and advertising.

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Business

Business is the activity of making one's living or making money by producing or buying and selling products (goods and services).

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Calendar era

A calendar era is the year numbering system used by a calendar.

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Calendar reform

Calendar reform, properly calendrical reform, is any significant revision of a calendar system.

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Common year starting on Thursday

A common year starting on Thursday is any non-leap year (i.e. a year with 365 days) that begins on Thursday, 1 January, and ends on Thursday, 31 December.

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Coordinated Universal Time

No description.

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December 13

No description.

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December 20

No description.

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December 27

No description.

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December 6

No description.

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Determination of the day of the week

The determination of the day of the week for any date may be performed with a variety of algorithms.

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Dominical letter

Dominical letters or Sunday letters are a method used to determine the day of the week for particular dates.

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Doomsday rule

The Doomsday rule is an algorithm of determination of the day of the week for a given date.

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Equinox

An equinox is commonly regarded as the moment the plane (extended indefinitely in all directions) of Earth's equator passes through the center of the Sun, which occurs twice each year, around 20 March and 22-23 September.

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February 1

No description.

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February 15

No description.

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February 22

No description.

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February 8

No description.

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Fiscal year

A fiscal year (or financial year, or sometimes budget year) is the period used by governments for accounting and budget purposes, which vary between countries.

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Government

A government is the system or group of people governing an organized community, often a state.

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Gregorian calendar

The Gregorian calendar is the most widely used civil calendar in the world.

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International Organization for Standardization

The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.

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ISO 2015

ISO 2015 is a standard of the International Organization for Standardization (ISO), superseded by ISO standard ISO 8601.

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ISO 8601

ISO 8601 Data elements and interchange formats – Information interchange – Representation of dates and times is an international standard covering the exchange of date- and time-related data.

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ISO week date

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.

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January 11

No description.

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January 18

No description.

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January 25

No description.

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January 4

No description.

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July 12

No description.

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July 19

No description.

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July 26

No description.

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July 5

No description.

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June 14

No description.

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June 21

This day usually marks the summer solstice in the Northern Hemisphere and the winter solstice in the Southern Hemisphere, which is the day of the year with the most hours of daylight in the Northern Hemisphere and the fewest hours of daylight in the Southern Hemisphere.

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June 28

In common years it is always in ISO week 26.

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June 7

No description.

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Leap week calendar

A leap week calendar is a calendar system with a whole number of weeks every year, and with every year starting on the same weekday.

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Leap year

A leap year (also known as an intercalary year or bissextile year) is a calendar year containing one additional day (or, in the case of lunisolar calendars, a month) added to keep the calendar year synchronized with the astronomical or seasonal year.

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Leap year starting on Thursday

A leap year starting on Thursday is any year with 366 days (i.e. it includes 29 February) that begins on Thursday 1 January, and ends on Friday 31 December.

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Leap year starting on Wednesday

A leap year starting on Wednesday is any year with 366 days (i.e. it includes 29 February) that begins on Wednesday, 1 January, and ends on Thursday, 31 December.

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Lexicographical order

In mathematics, the lexicographic or lexicographical order (also known as lexical order, dictionary order, alphabetical order or lexicographic(al) product) is a generalization of the way words are alphabetically ordered based on the alphabetical order of their component letters.

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March 1

No description.

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March 15

In the Roman calendar, March 15 was known as the Ides of March.

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March 22

No description.

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March 29

No description.

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March 8

No description.

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May 10

No description.

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May 17

No description.

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May 24

No description.

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May 3

No description.

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May 31

No description.

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Names of the days of the week

The names of the days of the week in many languages are derived from the names of the classical planets in Hellenistic astrology, which were in turn named after contemporary deities, a system introduced by the Roman Empire during Late Antiquity.

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November 1

No description.

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November 15

No description.

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November 22

In the ancient astronomy, it is the cusp day between Scorpio and Sagittarius.

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November 29

No description.

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November 8

No description.

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October 11

No description.

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October 18

No description.

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October 25

No description.

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October 4

No description.

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Ordinal date

An ordinal date is a calendar date typically consisting of a year and a day of year ranging between 1 and 366 (starting on January 1), though year may sometimes be omitted.

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September 13

No description.

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September 20

No description.

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September 27

No description.

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September 6

No description.

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Solstice

A solstice is an event occurring when the Sun appears to reach its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.

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Symmetry454

The Symmetry454 Calendar (Sym454) is a proposal for calendar reform created by Dr.

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Twitter

Twitter is an online news and social networking service on which users post and interact with messages known as "tweets".

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Week

A week is a time unit equal to seven days.

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4–4–5 calendar

The 4–4–5 calendar is a method of managing accounting periods, and is a common calendar structure for some industries such as retail and manufacturing.

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Redirects here:

ISO 8601 week, ISO 8601 week date, ISO 8601 week notation, ISO 8601 week number, ISO Week Date, ISO week, ISO week year, ISO year, Week date.

References

[1] https://en.wikipedia.org/wiki/ISO_week_date

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