ISO
8601:2000(E)
16
©
ISO
2000
All
rights
reserved
The
number
of
digits
in
the
decimal
fraction
shall
be
determined
by
the
interchange
parties,
dependent
upon
the
application.
The
format
shall
be
[hhmmss,ss],
[hhmm,mm]
or
[hh,hh]
as
appropriate
(hour
minute
second,
hour
minute
and
hour,
respectively),
with
as
many
digits
as
necessary
following
the
decimal
sign.
A
decimal
fraction
shall
have
at
least
one
digit.
In
the
examples
below
it
has
been
agreed
to
expand
the
smallest
time
element
with
one
digit.
a)
A
specific
hour,
minute
and
second
and
a
decimal
fraction
of
the
second
Basic
format:
hhmmss,ss
EXAMPLE
232050,5
Extended
format:
hh:mm:ss,ss
EXAMPLE
23:20:50,5
b)
A
specific
hour
and
minute
and
a
decimal
fraction
of
the
minute
Basic
format:
hhmm,mm
EXAMPLE
2320,8
Extended
format:
hh:mm,mm
EXAMPLE
23:20,8
c)
A
specific
hour
and
a
decimal
fraction
of
the
hour
Basic
format:
hh,hh
EXAMPLE
23,3
Extended
format:
not
applicable
NOTE
5.3.1.3
includes
the
definition
of
representations
that
have
both
reduced
precision
and
a
decimal
fraction.
5.3.1.4
Truncated
representations
If,
by
agreement,
truncated
representations
are
used
the
basic
formats
shall
be
as
specified
below.
In
each
case
hyphens
that
indicate
omitted
components,
shall
be
used
only
as
indicated
or
shall
be
omitted.
a)
A
specific
minute
and
second
of
the
implied
hour
Basic
format:
-mmss
EXAMPLE
-2050
Extended
format:
-mm:ss
EXAMPLE
-20:50
b)
A
specific
minute
of
the
implied
hour
Basic
format:
-mm
EXAMPLE
-20
Extended
format:
not
applicable
c)
A
specific
second
of
the
implied
minute
Basic
format:
--ss
EXAMPLE
--50
Extended
format:
not
applicable
d)
A
specific
minute
and
second
of
the
implied
hour
and
a
decimal
fraction
of
the
second
Basic
format:
-mmss,s
EXAMPLE
-2050,5
Extended
format:
-mm:ss,s
EXAMPLE
-20:50,5
e)
A
specific
minute
of
the
implied
hour
and
a
decimal
fraction
of
the
minute
Basic
format:
-mm,m
EXAMPLE
-20,8
Extended
format:
not
applicable
f)
A
specific
second
of
the
implied
minute
and
a
decimal
fraction
of
the
second
Basic
format:
--ss,s
EXAMPLE
--50,5
Extended
format:
not
applicable
NOTE
1
In
the
examples
it
has
been
agreed
to
expand
the
smallest
time
element
with
one
digit.
NOTE
2
5.3.1.4
includes
the
definition
of
representations
that
have
been
truncated
and
have
reduced
precision
and/or
a
decimal
fraction.
5.3.1.5
Representation
with
time
designator
In
expressions
of
local
time
applications
may
put
the
time
designator
[T]
immediately
in
front
of
the
representations
defined
in
5.3.1.1
through
5.3.1.3.
