One
day
is
____________________
into
twenty
-
four
____________________
,
and
each
____________________
is
divided
once
into
sixty
____________________
.
they
are
divided
twenty
-
four
hours
a
day
in
____________________
halves
of
twelve
hours
each
,
this
is
known
as
a
twelve
-
hour
model
.
The
____________________
twelve
hours
are
accompanied
by
the
____________________
a
.
m
.
and
the
hours
of
the
____________________
half
of
the
____________________
are
accompanied
by
the
term
p
.
m
.
Most
of
the
____________________
,
the
____________________
are
not
expressed
individually
but
in
groups
,
for
which
certain
expressions
are
used
.
for
____________________
:
____________________
,
this
expression
means
"
on
the
dot
"
half
past
,
This
expression
means
that
half
an
hour
has
passed
quarter
past
/
quarter
to
,
These
expressions
in
____________________
are
used
to
talk
about
a
quarter
of
an
hour
,
that
is
fifteen
____________________
.