Re: [vsnet-alert 3984] On Munidos error Probably we had better move to vsnet-chat before the bug is completely understood. > Actually the result was out by 36524 days, which is a recognisable number. > But on checking the fractional part I see that was out by +0.00059 days, > which is about 51 seconds and doesn't seem related to anything. There seems to be at least another unrecogniozed problem in Munidos :-( Is this error constant or randomly variable? I wonder whether JD calculation is internally done using double precision floating points. Regards, Taichi Kato