ISO
8601:2000(E)
22
©
ISO
2000
All
rights
reserved
5.5.4.2.2
Alternative
format
If,
by
agreement,
a
complete
representation
of
a
time-interval
through
its
duration
only,
with
duration
in
the
alternative
format,
is
used,
the
expression
shall
be
in
accordance
with
5.5.2
and
use
a
complete
duration
representation
as
defined
in
5.5.3.2.
Basic
format:
PYYYYMMDDThhmmss
EXAMPLE
P00021015T103020
Extended
format:
PYYYY-MM-DDThh:mm:ss
EXAMPLE
P0002-10-15T10:30:20
A
time-interval
with
a
duration
of
two
years,
10
months,
15
days,
10
hours,
30
minutes
and
20
seconds.
5.5.4.3
Representation
of
time-interval
identified
by
its
start
and
its
duration
When
the
application
identifies
the
need
for
a
complete
representation
of
a
time-interval
identified
by
its
start
and
its
duration,
it
shall
use
an
expression
in
accordance
with
5.5.2,
combining
any
complete
date
and
time
of
the
day
representation
as
defined
in
5.4.1,
with
any
complete
representation
of
duration
as
defined
in
5.5.3,
provided
that
the
resulting
expression
is
either
consistently
in
basic
format
or
consistently
in
extended
format.
Basic
format:
YYYYMMDDThhmmss/PnYnMnDTnHnMnS
YYYYMMDDThhmmss/PYYYYMMDDThhmmss
EXAMPLE
19850412T232050/P1Y2M15DT12H30M0S
19850412T232050/P00010215T123000
Extended
format:
YYYY-MM-DDThh:mm:ss/PnYnMnDTnHnMnS
YYYY-MM-DDThh:mm:ss/PYYYY-MM-DDThh:mm:ss
EXAMPLE
1985-04-12T23:20:50/P1Y2M15DT12H30M0S
1985-04-12T23:20:50/P0001-02-15T12:30:00
A
time-interval
of
one
year,
two
months,
15
days,
12
hours
and
30
minutes,
beginning
on
12
April
1985
at
20
minutes
and
50
seconds
past
23
hours
local
time.
5.5.4.4
Representation
of
time-interval
identified
by
its
duration
and
its
end
When
the
application
identifies
the
need
for
a
complete
representation
of
a
time-interval
identified
by
its
duration
and
its
end,
it
shall
use
an
expression
in
accordance
with
5.5.2,
combining
any
complete
representation
of
the
duration
as
defined
in
5.5.3
with
any
complete
representation
of
date
and
time
of
the
day
as
defined
in
5.4.1,
provided
that
the
resulting
expression
is
either
consistently
in
basic
format
or
consistently
in
extended
format.
Basic
format:
PnYnMnDTnHnMnS/YYYYMMDDThhmmss
PYYYYMMDDThhmmss/YYYYMMDDThhmmss
EXAMPLE
P1Y2M15DT12H30M0S/19850412T232050
P00010215T123000/19850412T232050
Extended
format:
PnYnMnDTnHnMnS/YYYY-MM-DDThh:mm:ss
PYYYY-MM-DDThh:mm:ss/YYYY-MM-DDThh:mm:ss
EXAMPLE
P1Y2M15DT12H30M0S/1985-04-12T23:20:50
P0001-02-15T12:30:00/1985-04-12T23:20:50
A
time-interval
of
time
of
one
year,
two
months,
15
days
and
12
hours
and
30
minutes,
ending
on
12
April
1985
at
20
minutes
and
50
seconds
past
23
hours
local
time
.
