| period | supplies a pointer to some location defining a named
period of time within which the datable item is understood to
have occurred. |
| when | supplies the value of the date or time in a standard form,
e.g. yyyy-mm-dd.| 狀態 | 非必備的 | | 資料類型 | | | 值 | A normalized form of temporal expression conforming to the W3C
XML Schema Part 2: Datatypes Second Edition. | Examples of W3C date, time, and date & time formats. <date when="1945-10-24">24 Oct 45</date>
<date when="1996-09-24T07:25:00Z">September 24th, 1996 at 3:25 in the morning</date>
<time when="1999-01-04T20:42:00-05:00">Jan 4 1999 at 8 pm</time>
<time when="14:12:38">fourteen twelve and 38 seconds</time>
<date when="1962-10">October of 1962</date>
<date when="--06-12">June 12th</date>
<date when="---01">the first of the month</date>
<date when="--08">August</date>
<date when="2006">MMVI</date>
<date when="0056">56 AD</date>
<date when="-0056">56 BC</date> | This list begins in
the year 1632, more precisely on Trinity Sunday, i.e. the Sunday after
Pentecost, in that year the <date calendar="Julian" when="1632-06-06">27th of May (old style)</date>. | <opener>
<dateline>
<placeName>Dorchester, Village,</placeName>
<date when="1828-03-02">March 2d. 1828.</date>
</dateline>
<salute>To
Mrs. Cornell,</salute> Sunday <time when="12:00:00">noon.</time>
</opener> |
|
| notBefore | 以標準格式說明該事件可能發生的最早日期，例如年-月-日。| 狀態 | 非必備的 | | 資料類型 | | | 值 | A normalized form of temporal expression conforming to
the W3C XML Schema Part 2: Datatypes Second
Edition. |
|
| notAfter | 以標準形式標明該事件可能的最晚日期，例如年-月-日。| 狀態 | 非必備的 | | 資料類型 | | | 值 | A normalized form of temporal expression conforming to the W3C
XML Schema Part 2: Datatypes Second Edition. |
|
| from | 以標準格式表示該段時間的起始點。| 狀態 | 非必備的 | | 資料類型 | | | 值 | A normalized form of temporal expression conforming to
the W3C XML Schema Part 2: Datatypes Second
Edition. |
|
| to | 以標準格式表示該段時間的結束點。| 狀態 | 非必備的 | | 資料類型 | | | 值 | A normalized form of temporal expression conforming to
the W3C XML Schema Part 2: Datatypes Second
Edition. |
|
