Note: The value 60 for ss might sometimes be needed during an inserted leap second in an atomic time scale like Coordinated Universal Time (UTC).A single leap second is inserted into the UTC time scale every few years as announced by the International Earth Rotation Service in Paris, to keep UTC from wandering away more than 0.9 s from the less constant astronomical time scale UT1, which is defined by the actual rotation of the earth.Especially authors of Web pages and software engineers who design user interfaces, file formats, and communication protocols should be familiar with ISO 8601.Contents: Date, time of day, time zone, software hints.
This standard notation helps to avoid confusion in international communication caused by the many different national notations and increases the portability of computer user interfaces.
like 1/1/0), it has been suggested that the year 2000 is an excellent opportunity to change to the standard date notation.
ISO 8601 is only specifying numeric notations and does not cover dates and times where words are used in the representation.
It is not intended as a replacement for language-dependent worded date notations such as “24.
Dezember 2001” (German) or “February 4, 1995” (US English).