{% extends "views/components/widgets/base.htm" %} {% load i18n %} {% block form %}

{% trans "Extended Date/Time Formats (EDTF)" %}

{% trans "The EDTF datatype allows you to describe dates (even uncertain dates). You can find a summary of the standard here:" %} {% trans "EDTF Date Specfication (Library of Congress)" %}

{% trans "Some common encodings:" %}

2021-04-12 {% trans ' [year][“-”][month][“-”][day]'%}
{% trans "Refers to the calendar date 2021 April 12th with day precision" %}
2021-04 {% trans ' [year][“-”][month]'%}
{% trans "Refers to the calendar month April 2021 with month precision" %}
2021 {% trans ' [year]'%}
{% trans "Refers to the year 2021 with year precision" %}
1964/2008
{% trans "A time interval with calendar year precision, beginning sometime in 1964 and ending sometime in 2008" %}
2004-06/2006-08
{% trans "A time interval with calendar month precision, beginning sometime in June 2004 and ending sometime in August of 2006" %}
2004-02-01/2005
{% trans "A time interval beginning sometime on February 1, 2004 and ending sometime in 2005. The start endpoint has calendar day precision and the end endpoint has calendar year precision." %}
Y-100000
{% trans "The year -100000. 'Y' may be used at the beginning of the date string to signify that the date is a year, when (and only when) the year exceeds four digits, i.e. for years later than 9999 or earlier than -9999." %}
2001-21
{% trans "Spring, 2001. The values 21, 22, 23, 24 may be used used to signify ' Spring', 'Summer', 'Autumn', 'Winter', respectively, in place of a month value (01 through 12) for a year-and-month format string" %}
1984?
{% trans "Year uncertain (possibly the year 1984, but not definitely)" %}
2004-06~
{% trans "Year-month approximate" %}
2004-06-11%
{% trans "Entire date (year-month-day) uncertain and approximate" %}
{% endblock form %} {% block config_form %}
{% trans "Placeholder" %}
{% trans "Default Value" %}
{% endblock config_form %}