<s>
A	O
Lilian	B-Application
date	I-Application
is	O
the	O
number	O
of	O
days	O
since	O
the	O
beginning	O
of	O
the	O
Gregorian	O
calendar	O
on	O
October	O
15	O
,	O
1582	O
,	O
regarded	O
as	O
Lilian	B-Application
date	I-Application
1	O
.	O
</s>
<s>
Lilian	B-Application
dates	I-Application
can	O
be	O
used	O
to	O
calculate	O
the	O
number	O
of	O
days	O
between	O
any	O
two	O
dates	O
occurring	O
since	O
the	O
beginning	O
of	O
the	O
Gregorian	O
calendar	O
.	O
</s>
<s>
It	O
is	O
currently	O
used	O
by	O
date	O
conversion	O
routines	O
that	O
are	O
part	O
of	O
IBM	O
Language	O
Environment	O
(	O
LE	O
)	O
software	O
and	O
in	O
IBM	B-Application
AIX	I-Application
COBOL	B-Application
.	O
</s>
<s>
The	O
Lilian	B-Application
date	I-Application
is	O
only	O
a	O
date	O
format	O
:	O
it	O
is	O
not	O
tied	O
to	O
any	O
particular	O
time	O
standard	O
.	O
</s>
<s>
If	O
the	O
Lilian	B-Application
date	I-Application
was	O
to	O
be	O
reckoned	O
in	O
Universal	O
Time	O
,	O
and	O
if	O
the	O
Lilian	B-Application
date	I-Application
is	O
taken	O
to	O
begin	O
at	O
midnight	O
,	O
the	O
Lilian	B-Application
date	I-Application
can	O
be	O
obtained	O
from	O
the	O
Julian	O
date	O
by	O
subtracting	O
from	O
the	O
Julian	O
date	O
,	O
and	O
ignoring	O
the	O
decimal	O
fraction	O
in	O
the	O
result	O
.	O
</s>
