function mod(a,b){return a-b*Math.floor(a/b)}function leap_gregorian(a){return a%4==0&&!(a%100==0&&a%400!=0)}var GREGORIAN_EPOCH=1721425.5;function gregorian_to_jd(a,b,c){return GREGORIAN_EPOCH-1+365*(a-1)+Math.floor((a-1)/4)+-Math.floor((a-1)/100)+Math.floor((a-1)/400)+Math.floor((367*b-362)/12+(b<=2?0:leap_gregorian(a)?-1:-2)+c)}function jd_to_gregorian(m){var b,c,h,g,f,e,l,k,d,n,a,j,i;b=Math.floor(m-.5)+.5;c=b-GREGORIAN_EPOCH;h=Math.floor(c/146097);g=mod(c,146097);f=Math.floor(g/36524);e=mod(g,36524);l=Math.floor(e/1461);k=mod(e,1461);d=Math.floor(k/365);a=h*400+f*100+l*4+d;if(!(f==4||d==4))a++;j=b-gregorian_to_jd(a,1,1);i=b<gregorian_to_jd(a,3,1)?0:leap_gregorian(a)?1:2;month=Math.floor(((j+i)*12+373)/367);day=b-gregorian_to_jd(a,month,1)+1;return[a,month,day]}function leap_islamic(a){return(a*11+14)%30<11}var ISLAMIC_EPOCH=1948439.5;function islamic_to_jd(a,b,c){return c+Math.ceil(29.5*(b-1))+(a-1)*354+Math.floor((3+11*a)/30)+ISLAMIC_EPOCH-1}function jd_to_islamic(a){var b,c,d;a=Math.floor(a)+.5;b=Math.floor((30*(a-ISLAMIC_EPOCH)+10646)/10631);c=Math.min(12,Math.ceil((a-(29+islamic_to_jd(b,1,1)))/29.5)+1);d=a-islamic_to_jd(b,c,1)+1;return[b,c,d]}function leap_persian(a){return((a-(a>0?474:473))%2820+474+38)*682%2816<682}var PERSIAN_EPOCH=1948320.5;function persian_to_jd(d,c,e){var a,b;a=d-(d>=0?474:473);b=474+mod(a,2820);return e+(c<=7?(c-1)*31:(c-1)*30+6)+Math.floor((b*682-110)/2816)+(b-1)*365+Math.floor(a/2820)*1029983+(PERSIAN_EPOCH-1)}function jd_to_persian(b){var a,g,k,e,i,c,f,h,j,d;b=Math.floor(b)+.5;e=b-persian_to_jd(475,1,1);i=Math.floor(e/1029983);c=mod(e,1029983);if(c==1029982)f=2820;else{h=Math.floor(c/366);j=mod(c,366);f=Math.floor((2134*h+2816*j+2815)/1028522)+h+1}a=f+2820*i+474;if(a<=0)a--;d=b-persian_to_jd(a,1,1)+1;g=d<=186?Math.ceil(d/31):Math.ceil((d-6)/30);k=b-persian_to_jd(a,g,1)+1;return[a,g,k]}