diff --git a/changelog.md b/changelog.md
index 7f0e389..bf593bc 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+3.1.2 (20 February, 2018)
+* Fix for `j` formatting option
+
 3.1.0 (13 February, 2018)
 * License changed from MIT to 0BSD
 * Removed Bower support, use NPM instead
diff --git a/dist/pickmeup.min.js b/dist/pickmeup.min.js
index 58852b3..c7b6760 100644
--- a/dist/pickmeup.min.js
+++ b/dist/pickmeup.min.js
@@ -14,7 +14,7 @@ k.getDay()&&g(f,"pmu-saturday"),h=c.render(new Date(k))||{},l=x(new Date(k)).val
 "pmu-days"))})()}t.setDate(1);r.setDate(1);q(r,1);A(r,-1);d=b.querySelector(".pmu-prev");b=b.querySelector(".pmu-next");d&&(d.style.visibility=c.min&&c.min>=t?"hidden":"visible");b&&(b.style.visibility=c.max&&c.max<=r?"hidden":"visible");C(a,"fill")}function v(a,b){var c=b.format,d=b.separator,e=b.locales[b.locale];if(a instanceof Date||a instanceof Number)return x(new Date(a));if(!a)return x(new Date);if(a instanceof Array){a=a.slice();for(c=0;c<a.length;++c)a[c]=v(a[c],b);return a}d=a.split(d);
 if(1<d.length)return d.forEach(function(a,c,d){d[c]=v(a.trim(),b)}),d;d=[].concat(e.daysShort,e.daysMin,e.days,e.monthsShort,e.months);d=d.map(function(a){return"("+a+")"});d=new RegExp("[^0-9a-zA-Z"+d.join("")+"]+");a=a.split(d);for(var d=c.split(d),g,f,m,k,l,n=new Date,c=0;c<a.length;c++)switch(d[c]){case "b":f=e.monthsShort.indexOf(a[c]);break;case "B":f=e.months.indexOf(a[c]);break;case "d":case "e":g=parseInt(a[c],10);break;case "m":f=parseInt(a[c],10)-1;break;case "Y":case "y":m=parseInt(a[c],
 10);m+=100<m?0:29>m?2E3:1900;break;case "H":case "I":case "k":case "l":k=parseInt(a[c],10);break;case "P":case "p":/pm/i.test(a[c])&&12>k?k+=12:/am/i.test(a[c])&&12<=k&&(k-=12);break;case "M":l=parseInt(a[c],10)}e=new Date(void 0===m?n.getFullYear():m,void 0===f?n.getMonth():f,void 0===g?n.getDate():g,void 0===k?n.getHours():k,void 0===l?n.getMinutes():l,0);isNaN(1*e)&&(e=new Date);return x(e)}function x(a){a.setHours(0,0,0,0);return a}function D(a,b,c){var d=a.getMonth(),e=a.getDate(),g=a.getFullYear(),
-f=a.getDay(),m=a.getHours(),k=12<=m,l=k?m-12:m,n;n=new Date(a.getFullYear(),a.getMonth(),a.getDate(),0,0,0);var p=new Date(a.getFullYear(),0,0,0,0,0);n=Math.floor((n-p)/24*36E5);0==l&&(l=12);var p=a.getMinutes(),r=a.getSeconds();b=b.split("");for(var h,q=0;q<b.length;q++){h=b[q];switch(h){case "a":h=c.daysShort[f];break;case "A":h=c.days[f];break;case "b":h=c.monthsShort[d];break;case "B":h=c.months[d];break;case "C":h=1+Math.floor(g/100);break;case "d":h=10>e?"0"+e:e;break;case "e":h=e;break;case "H":h=
+f=a.getDay(),m=a.getHours(),k=12<=m,l=k?m-12:m,n;n=new Date(a.getFullYear(),a.getMonth(),a.getDate(),0,0,0);var p=new Date(a.getFullYear(),0,0,0,0,0);n=Math.floor((n-p)/864E5);0==l&&(l=12);var p=a.getMinutes(),r=a.getSeconds();b=b.split("");for(var h,q=0;q<b.length;q++){h=b[q];switch(h){case "a":h=c.daysShort[f];break;case "A":h=c.days[f];break;case "b":h=c.monthsShort[d];break;case "B":h=c.months[d];break;case "C":h=1+Math.floor(g/100);break;case "d":h=10>e?"0"+e:e;break;case "e":h=e;break;case "H":h=
 10>m?"0"+m:m;break;case "I":h=10>l?"0"+l:l;break;case "j":h=100>n?10>n?"00"+n:"0"+n:n;break;case "k":h=m;break;case "l":h=l;break;case "m":h=9>d?"0"+(1+d):1+d;break;case "M":h=10>p?"0"+p:p;break;case "p":case "P":h=k?"PM":"AM";break;case "s":h=Math.floor(a.getTime()/1E3);break;case "S":h=10>r?"0"+r:r;break;case "u":h=f+1;break;case "w":h=f;break;case "y":h=(""+g).substr(2,2);break;case "Y":h=g}b[q]=h}return b.join("")}function O(a,b){var c=a.__pickmeup.options,d;x(b);a:{var e;switch(c.mode){case "multiple":e=
 b.valueOf();for(d=0;d<c.date.length;++d)if(c.date[d].valueOf()===e){c.date.splice(d,1);break a}c.date.push(b);break;case "range":c.lastSel||(c.date[0]=b);b<=c.date[0]?(c.date[1]=c.date[0],c.date[0]=b):c.date[1]=b;c.lastSel=!c.lastSel;break;default:c.date=b.valueOf()}}b=H(c);B(a,"input")&&(a.value="single"==c.mode?b.formatted_date:b.formatted_date.join(c.separator));C(a,"change",b);c.flat||!c.hide_on_select||"range"==c.mode&&c.lastSel||c.bound.hide()}function P(a,b){var c=b.target;p(c,"pmu-button")||
 (c=J(c,".pmu-button"));if(!p(c,"pmu-button")||p(c,"pmu-disabled"))return!1;b.preventDefault();b.stopPropagation();a=a.__pickmeup.options;var d=J(c,".pmu-instance");b=d.parentElement;d=Array.prototype.slice.call(b.querySelectorAll(".pmu-instance")).indexOf(d);B(c.parentElement,"nav")?p(c,"pmu-month")?(q(a.current,d-Math.floor(a.calendars/2)),p(b,"pmu-view-years")?(a.current="single"!=a.mode?new Date(a.date[a.date.length-1]):new Date(a.date),a.select_day?(b.classList.remove("pmu-view-years"),g(b,"pmu-view-days")):
diff --git a/js/pickmeup.js b/js/pickmeup.js
index fe4aaea..6fac452 100644
--- a/js/pickmeup.js
+++ b/js/pickmeup.js
@@ -259,7 +259,7 @@
 		var now  = new Date(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);
 		var then = new Date(date.getFullYear(), 0, 0, 0, 0, 0);
 		var time = now - then;
-		return Math.floor(time / 24 * 60 * 60 * 1000);
+		return Math.floor(time / (24 * 60 * 60 * 1000));
 	}
 
 	/**
diff --git a/package.json b/package.json
index 30f29cc..a5f5a27 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
 		"date",
 		"calendar"
 	],
-	"version"         : "3.1.1",
+	"version"         : "3.1.2",
 	"homepage"        : "https://github.com/nazar-pc/PickMeUp",
 	"author"          : "Nazar Mokrynskyi <nazar@mokrynskyi.com>",
 	"repository"      : {