Linked from

The 16 pages that link to ISO 8601, each with the reason it gives.

• Gregorian calendarRelated: It provides a consistent written format for Gregorian dates in international exchange.

• Leap yearRelated: Its date rules include valid February 29 dates in Gregorian leap years.

• Anno DominiRelated: Its calendar-date notation preserves a related year sequence while avoiding AD and BC labels.

• Coordinated Universal TimeRelated: Its timestamp conventions can designate UTC with the Z suffix.

• Common EraRelated: Its calendar-date conventions illustrate how modern standards handle dates independently of CE wording.

• MidnightRelated: Its formats can express midnight as 00:00 and identify the corresponding date.

• MondayRelated: The standard numbers Monday as the first day of the week.

• SaturdayRelated: Its numbering places Saturday sixth, contrasting with Sunday-first conventions.

• Days of the weekRelated: Its Monday-first convention differs from calendars that place Sunday first.

• Astronomical year numberingRelated: Its expanded date representations use astronomical numbering for years before 0001.

• FridayRelated: Its week-date system numbers Monday as day one and Friday as day five.

• TuesdayRelated: Its numbering makes Tuesday day two, independent of local week-start customs.

• 24-hour clockRelated: Its time notation uses the 24-hour system, including in timestamps such as 18:30.

• ThursdayRelated: Its calendar conventions assign Thursday the weekday number four.