<timeline>

<timeline> (escala temporal) indica una serie de puntos ordenados temporalmente los cuales pueden ser enlazados a los elementos de un texto hablado a fin de obtener un alineamiento temporal del texto mismo. [16.5.2 Placing Synchronous Events in Time]
Módulolinking — Linking, Segmentation, and Alignment
Atributosatt.global (@xml:id, @n, @xml:lang, @rend, @style, @rendition, @xml:base, @xml:space) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change))
originindica el origen de la escala temporal, es decir, el momento en que inicia.
Estado Opcional
Tipo de datos 

<rng:ref name="data.pointer"/>
data.pointer
Valores if supplied, must point either to one of the when elements in its content, or to another timeline element.
unitespecifica la unidad temporal correspondiente al valor del atributo interval (intervalo) de la escala temporal o de sus puntos constitutivos.
Estado Opcional
Tipo de datos 

<rng:ref name="data.enumerated"/>
data.enumerated
Los valores sugeridos incluyen:
d
(días)
h
(horas)
min
(minutos)
s
(segundos)
ms
(milésimas de segundo)
intervalindica los componentes numéricos de un intervalo de tiempo.
Estado Opcional
Tipo de datos 

<rng:ref name="data.interval"/>
data.interval
Valores a positive number, or one of the two special values irregular or regular.
Miembro de
model.global.meta
Contenido en
analysis: cl m phr s span w
core: abbr add addrLine address author bibl biblScope cit citedRange corr date del distinct editor email emph expan foreign gloss head headItem headLabel hi imprint item l label lg list measure mentioned name note num orig p pubPlace publisher q quote ref reg resp rs said series sic soCalled sp speaker stage street term textLang time title unclear
corpus: activity channel constitution derivation domain factuality interaction locale preparedness purpose
dictionaries: case colloc def dictScrap entry entryFree etym form gen gram gramGrp hom hyph iType lang lbl mood number orth per pos pron re sense stress subc syll tns usg xr
drama: actor camera caption castGroup castItem castList epilogue performance prologue role roleDesc set sound spGrp tech view
figures: cell figure table
header: authority change classCode distributor edition extent funder geoDecl handNote language licence principal scriptNote sponsor typeNote
linking: ab seg
msdescription: accMat acquisition additions catchwords collation colophon condition custEvent decoNote explicit filiation finalRubric foliation heraldry incipit layout material msItem musicNotation objectType origDate origPlace origin provenance rubric secFol signatures source stamp summary support surrogates watermark
namesdates: addName affiliation age birth bloc country death district education faith floruit forename genName geogFeat geogName langKnown nameLink nationality occupation orgName persName person placeName region residence roleName settlement sex socecStatus surname
nets: graph
spoken: u writing
tagdocs: eg valDesc
textcrit: app lem rdg wit witDetail
textstructure: argument back body byline closer dateline div div1 div2 div3 div4 div5 div6 div7 docAuthor docDate docEdition docImprint docTitle epigraph floatingText front group imprimatur opener postscript salute signed text titlePage titlePart trailer
transcr: damage fw line metamark mod restore retrace sourceDoc supplied surface surfaceGrp surplus zone
verse: metSym rhyme
Puede contener
linking: when
Declaración

<rng:element name="timeline">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:optional>
  <rng:attribute name="origin">
   <rng:ref name="data.pointer"/>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="unit">
   <rng:choice>
    <rng:value>d</rng:value>
    <rng:value>h</rng:value>
    <rng:value>min</rng:value>
    <rng:value>s</rng:value>
    <rng:value>ms</rng:value>
    <rng:data type="Name"/>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <rng:optional>
  <rng:attribute name="interval">
   <rng:ref name="data.interval"/>
  </rng:attribute>
 </rng:optional>
 <rng:oneOrMore>
  <rng:ref name="when"/>
 </rng:oneOrMore>
</rng:element>
element timeline
{
   att.global.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   attribute origin { data.pointer }?,
   attribute unit { "d" | "h" | "min" | "s" | "ms" | xsd:Name }?,
   attribute interval { data.interval }?,
   when+
}
Ejemplo
<timeline xml:id="TL01" unit="ms">
 <when xml:id="TL-w0" absolute="11:30:00"/>
 <when xml:id="TL-w1" interval="unknown" since="#TL-w0"/>
 <when xml:id="TL-w2" interval="100" since="#TL-w1"/>
 <when xml:id="TL-w3" interval="200" since="#TL-w2"/>
 <when xml:id="TL-w4" interval="150" since="#TL-w3"/>
 <when xml:id="TL-w5" interval="250" since="#TL-w4"/>
 <when xml:id="TL-w6" interval="100" since="#TL-w5"/>
</timeline>