(With the years 2000–2009, care must be taken to ensure that two digit years do not intend to be 1900–1909 or other similar years.) "9 November 2006" or "9.
Hawaiian time on 7 December 1941 took place at 3:18 a.m.
In common with most continental European usage, however, all-numeric dates are invariably ordered dd/mm/yyyy. In Canada and the United States, the usual written form is December 7, 1941, spoken as "December seventh, nineteen forty-one" or colloquially "December the seventh, nineteen forty-one".
Ordinal numerals, however, are not always used when writing and pronouncing dates, and "December seven, nineteen forty-one" is also an accepted pronunciation of the date written December 7, 1941.
This form is standard in East Asia, Iran, Lithuania, Hungary, and Sweden; and some other countries to a limited extent. Examples for the 9th of November 2003: 2003-11-09: the standard Internet date/time format, a profile of the international standard ISO 8601, orders the components of a date like this, and additionally uses leading zeros, for example, 1996-05-01, to be easily read and sorted by computers.
For example: 1998-02-28 (28 February 1998) sorts before 2006-03-01 (1 March 2006) which sorts before 2015-01-30 (30 January 2015) The YYYY-MM-DD layout is the only common format that can provide this.
For example, "11 December 1999" can be written in some contexts as "1999345" or "99345", for the 345th day of 1999.
(With the years 2000–2009, care must be taken to ensure that two digit years do not intend to be 1900–1909 or other similar years.) "9 November 2006" or "9.
This is now widely recognized as extremely problematic, because of the year 2000 problem.
However, as an exception, the American shorthand "9/11" is widely understood as referring to the September 11, 2001 terrorist attacks. When numbers are used to represent months, a significant amount of confusion can arise from the ambiguity of a date order; especially when the numbers representing the day, month, or year are low, it can be impossible to tell which order is being used.
Many Internet sites use YYYY-MM-DD, and those using other conventions often use -MMM- for the month to further clarify and avoid ambiguity (2001-MAY-09, 9-MAY-2001, MAY 09 2001, etc.). In addition, the International Organization for Standardization considers its ISO 8601 standard to make sense from a logical perspective.
This form is standard in East Asia, Iran, Lithuania, Hungary, and Sweden; and some other countries to a limited extent. Examples for the 9th of November 2003: 2003-11-09: the standard Internet date/time format, a profile of the international standard ISO 8601, orders the components of a date like this, and additionally uses leading zeros, for example, 1996-05-01, to be easily read and sorted by computers.
Following shorter formats also can be used: 2003.
A big advantage of the ISO 8601 "basic format" is that a simple textual sort is equivalent to a sort by date. It is also extended through the universal big-endian format clock time: 9 November 2003, 18h 14m 12s, or 2003/11/9/18:14:12 or (ISO 8601) 2003-11-09T18:14:12. ===Gregorian, month–day–year (MDY)=== This sequence is used primarily in the Philippines and the United States.
These variations use the sample date of 31 May 2006: (e.g.
31/05/2006, 05/31/2006, 2006/05/31), component separators (e.g.
31 May 2006). ===Gregorian, day–month–year (DMY) === This little-endian sequence is used by a majority of the world and is the preferred form by the United Nations when writing the full date format in official documents.
The following examples use the date of 9 November 2006.
(With the years 2000–2009, care must be taken to ensure that two digit years do not intend to be 1900–1909 or other similar years.) "9 November 2006" or "9.
It was also commonly used in the Soviet Union, in both handwriting and print. 9 November 2006 CE or 9 November 2006 AD ===Gregorian, year–month–day (YMD) === In this format, the most significant data item is written before lesser data items i.e.
Sunday, November the 9th, and even November the 9th, Sunday, are also possible and readily understood). Thursday, November 9, 2006 November 9, 2006 Nov.
9, 2006 or 11/9/2006 11-9-2006, 11.9.2006, 11.09.06, or 11/09/06, or 20060911 The modern convention is to avoid using the ordinal (th, st, rd, nd) form of numbers when the day follows the month (July 4 or July 4, 2006).
Numbers are also written in that order, so the digits of 2006 indicate, in order, the millennium, the century within the millennium, the decade within the century, and the year within the decade.
For example: 1998-02-28 (28 February 1998) sorts before 2006-03-01 (1 March 2006) which sorts before 2015-01-30 (30 January 2015) The YYYY-MM-DD layout is the only common format that can provide this.
If the engine is sent on 06104 (Friday, 14 April 2006), it should arrive on 06139 (Friday, 19 May).
The ISO 8601 date order with four-digit years: YYYY-MM-DD (introduced in ISO 2014), is specifically chosen to be unambiguous.
For example: 1998-02-28 (28 February 1998) sorts before 2006-03-01 (1 March 2006) which sorts before 2015-01-30 (30 January 2015) The YYYY-MM-DD layout is the only common format that can provide this.
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