Gregorian calendar & ISO week date - Unionpedia, the concept map
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Difference between Gregorian calendar and ISO week date
Gregorian calendar vs. ISO week date
The Gregorian calendar is the calendar used in most parts of the world. 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 2019) and, before that, it was defined in ISO (R) 2015 since 1971.
Similarities between Gregorian calendar and ISO week date
Gregorian calendar and ISO week date have 11 things in common (in Unionpedia): Calendar era, Calendar reform, Doomsday rule, Equinox, February 29, Hanke–Henry Permanent Calendar, ISO 8601, Leap week calendar, Leap year, Solstice, Symmetry454.
Calendar era
A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one.
Calendar era and Gregorian calendar · Calendar era and ISO week date · See more »
Calendar reform
Calendar reform or calendrical reform is any significant revision of a calendar system.
Calendar reform and Gregorian calendar · Calendar reform and ISO week date · See more »
Doomsday rule
The Doomsday rule, Doomsday algorithm or Doomsday method is an algorithm of determination of the day of the week for a given date.
Doomsday rule and Gregorian calendar · Doomsday rule and ISO week date · See more »
Equinox
A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator.
Equinox and Gregorian calendar · Equinox and ISO week date · See more »
February 29
February 29 is a leap day (or "leap year day")—an intercalary date added periodically to create leap years in the Julian and Gregorian calendars.
February 29 and Gregorian calendar · February 29 and ISO week date · See more »
Hanke–Henry Permanent Calendar
The Hanke–Henry Permanent Calendar (HHPC) is a proposal for calendar reform.
Gregorian calendar and Hanke–Henry Permanent Calendar · Hanke–Henry Permanent Calendar and ISO week date · See more »
ISO 8601
ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data.
Gregorian calendar and ISO 8601 · ISO 8601 and ISO week date · See more »
Leap week calendar
A leap week calendar is a calendar system with a whole number of weeks in a year, and with every year starting on the same weekday.
Gregorian calendar and Leap week calendar · ISO week date and Leap week calendar · See more »
Leap year
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year.
Gregorian calendar and Leap year · ISO week date and Leap year · See more »
Solstice
A solstice is the time when the Sun reaches its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.
Gregorian calendar and Solstice · ISO week date and Solstice · See more »
Symmetry454
The Symmetry454 calendar (Sym454) is a proposal for calendar reform created by Irv Bromberg of the University of Toronto, Canada.
Gregorian calendar and Symmetry454 · ISO week date and Symmetry454 · See more »
The list above answers the following questions
- What Gregorian calendar and ISO week date have in common
- What are the similarities between Gregorian calendar and ISO week date
Gregorian calendar and ISO week date Comparison
Gregorian calendar has 239 relations, while ISO week date has 91. As they have in common 11, the Jaccard index is 3.33% = 11 / (239 + 91).
References
This article shows the relationship between Gregorian calendar and ISO week date. To access each article from which the information was extracted, please visit: