#### IfcTimeStamp

Natural language names

##### Semantic definitions at the type

Type definition

An indication of date and time by measuring the number of seconds which have elapsed since the beginning of the year 1970.

Type: INTEGER

> HISTORY New type in IFC Release 1.5.1.

##### Formal representations

XSD Specification
`<xs:simpleType name="IfcTimeStamp">
<xs:restriction base="xs:long"/>
</xs:simpleType>
<xs:element name="IfcTimeStamp-wrapper" nillable="true">
<xs:complexType>
<xs:simpleContent>
<xs:extension base="ifc:IfcTimeStamp">
<xs:attributeGroup ref="ifc:instanceAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
`
EXPRESS Specification
`TYPE IfcTimeStamp = INTEGER;
END_TYPE;

EXPRESS-G diagram

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