function oghatsharee_main()
{var month_value=document.getElementById("month").selectedIndex;var month_name=document.getElementById('month')[month_value].innerHTML;++month_value;var day_value=eval(document.getElementById("day").value);var jnow_date=day_value+' '+month_name;var lg=eval(document.getElementById("longitude").value);var lat=eval(document.getElementById("latitude").value);var ep=sun(month_value,day_value,4,lg)
var zr=ep[0];delta_angle=ep[1];ha=loc2hor(108.0,delta_angle,lat)
var t1=Round(zr-ha,24)
ep=sun(month_value,day_value,t1,lg)
zr=ep[0];delta_angle=ep[1];ha=loc2hor(108.0,delta_angle,lat)
var t1=Round(zr-ha,24)
if(month_value<=6&&!(month_value==1&&day_value==1)){t1+=1.0;}
document.getElementById("t1").innerHTML=hms(t1);ep=sun(month_value,day_value,6,lg)
zr=ep[0];delta_angle=ep[1];ha=loc2hor(90.833,delta_angle,lat)
var t2=Round(zr-ha,24)
ep=sun(month_value,day_value,t2,lg)
zr=ep[0];delta_angle=ep[1];ha=loc2hor(90.833,delta_angle,lat)
t2=Round(zr-ha,24)
if(month_value<=6&&!(month_value==1&&day_value==1)){t2+=1.0;}
document.getElementById("t2").innerHTML=hms(t2);ep=sun(month_value,day_value,12,lg)
ep=sun(month_value,day_value,ep[0],lg)
zr=ep[0];if(month_value<=6&&!(month_value==1&&day_value==1)){zr+=1.0;}
document.getElementById("zr").innerHTML=hms(zr);ep=sun(month_value,day_value,18,lg)
zr=ep[0];delta_angle=ep[1];ha=loc2hor(90.833,delta_angle,lat)
var t3=Round(zr+ha,24)
ep=sun(month_value,day_value,t3,lg)
zr=ep[0];delta_angle=ep[1];ha=loc2hor(90.833,delta_angle,lat)
t3=Round(zr+ha,24)
if(month_value<=6&&!(month_value==1&&day_value==1)){t3+=1.0;}
document.getElementById("t3").innerHTML=hms(t3);ep=sun(month_value,day_value,18.5,lg)
zr=ep[0];delta_angle=ep[1];ha=loc2hor(94.3,delta_angle,lat)
var t4=Round(zr+ha,24)
ep=sun(month_value,day_value,t4,lg)
zr=ep[0];delta_angle=ep[1];ha=loc2hor(94.3,delta_angle,lat)
t4=Round(zr+ha,24)
if(month_value<=6&&!(month_value==1&&day_value==1)){t4+=1.0;}
document.getElementById("t4").innerHTML=hms(t4);cities_by_id=document.getElementById("cities");document.getElementById("city_name").innerHTML=cities_by_id.value;document.getElementById("jnow_date").innerHTML=jnow_date;}
function sun(month_value,day_value,h_3600,lg)
{if(month_value<7)
day_value=31*(month_value-1)+day_value+h_3600/24;else
day_value=6+30*(month_value-1)+day_value+h_3600/24;var Mmonth_value=74.2023+0.98560026*day_value;var Lday_value=-2.75043+0.98564735*day_value;var lst=8.3162159+0.065709824*Math.floor(day_value)+1.00273791*24*(day_value%1)+lg/15;var e_num=0.0167065;var omega_angle=4.85131-0.052954*day_value;var ep=23.4384717+0.00256*cosd(omega_angle);var ed=180.0/Math.PI*e_num;var u=Mmonth_value;for(var i=1;i<5;i++)
u=u-(u-ed*sind(u)-Mmonth_value)/(1-e_num*cosd(u));var v=2*atand(tand(u/2)*Math.sqrt((1+e_num)/(1-e_num)));var theta_angle=Lday_value+v-Mmonth_value-0.00569-0.00479*sind(omega_angle);var delta_angle=asind(sind(ep)*sind(theta_angle));var alpha_angle=180.0/Math.PI*Math.atan2(cosd(ep)*sind(theta_angle),cosd(theta_angle));if(alpha_angle>=360)
alpha_angle-=360;var ha=lst-alpha_angle/15;var zr=Round(h_3600-ha,24);return([zr,delta_angle])}
function oghatsharee_init()
{lgs=lgs.slice(1,lgs.length);lats=lats.slice(1,lats.length);oghatsharee_coord();}
function oghatsharee_coord()
{var cities_by_id=document.getElementById("cities");var i=cities_by_id.selectedIndex;document.getElementById("longitude").value=lgs[i].toString()
document.getElementById("latitude").value=lats[i].toString()
oghatsharee_main();}
function sind(x){return(Math.sin(Math.PI/180.0*x));}
function cosd(x){return(Math.cos(Math.PI/180.0*x));}
function tand(x){return(Math.tan(Math.PI/180.0*x));}
function atand(x){return(Math.atan(x)*180.0/Math.PI);}
function asind(x){return(Math.asin(x)*180.0/Math.PI);}
function acosd(x){return(Math.acos(x)*180.0/Math.PI);}
function sqrt(x){return(Math.sqrt(x));}
function frac(x){return(x%1);}
function floor(x){return(Math.floor(x));}
function ceil(x){return(Math.ceil(x));}
function loc2hor(z,day_value,p_){return(acosd((cosd(z)-sind(day_value)*sind(p_))/cosd(day_value)/cosd(p_))/15);}
function Round(x,a){var tmp=x%a;if(tmp<0)
tmp+=a;return(tmp)}
function hms(x)
{x=Math.floor(3600*x);h_3600=Math.floor(x/3600);m_p=x-3600*h_3600;moment_value=Math.floor(m_p/60);secound_value=Math.floor(m_p-60*moment_value);return(((h_3600<10)?"0":"")+h_3600.toString()+":"+((moment_value<10)?"0":"")+moment_value.toString()+":"+((secound_value<10)?"0":"")+secound_value.toString())}
Event.onReady(oghatsharee_init);