<xs:simpleType name="TimeUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="1/2 ms">
      <xs:annotation>
        <xs:documentation>half of millisecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="100 ka[t]">
      <xs:annotation>
        <xs:documentation>hundred thousand tropical-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="a">
      <xs:annotation>
        <xs:documentation>julian-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="a[t]">
      <xs:annotation>
        <xs:documentation>tropical-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ca">
      <xs:annotation>
        <xs:documentation>hundredth of julian-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="cs">
      <xs:annotation>
        <xs:documentation>centisecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="d">
      <xs:annotation>
        <xs:documentation>day</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ds">
      <xs:annotation>
        <xs:documentation>decisecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="Ea[t]">
      <xs:annotation>
        <xs:documentation>million million million tropical-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="fa">
      <xs:annotation>
        <xs:documentation>femtojulian-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="Ga[t]">
      <xs:annotation>
        <xs:documentation>thousand million tropical-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="h">
      <xs:annotation>
        <xs:documentation>hour</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="hs">
      <xs:annotation>
        <xs:documentation>hectosecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ka[t]">
      <xs:annotation>
        <xs:documentation>thousand tropical-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="Ma[t]">
      <xs:annotation>
        <xs:documentation>million tropical-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="min">
      <xs:annotation>
        <xs:documentation>minute</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ms">
      <xs:annotation>
        <xs:documentation>millisecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="na">
      <xs:annotation>
        <xs:documentation>nanojulian-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ns">
      <xs:annotation>
        <xs:documentation>nanosecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ps">
      <xs:annotation>
        <xs:documentation>picosecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="s">
      <xs:annotation>
        <xs:documentation>second</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="Ta[t]">
      <xs:annotation>
        <xs:documentation>million million tropical-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="us">
      <xs:annotation>
        <xs:documentation>microsecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="wk">
      <xs:annotation>
        <xs:documentation>week</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>