diff --git a/lib/app/helpers.js b/lib/app/helpers.js
index e34bfc5dd5..2a908b3c0e 100644
--- a/lib/app/helpers.js
+++ b/lib/app/helpers.js
@@ -3,14 +3,6 @@ var moment;
 
 moment = require('moment');
 
-module.exports.daysBetween = function(a, b) {
-  var DAY;
-  DAY = 1000 * 60 * 60 * 24;
-  a = new Date((new Date(a)).toDateString());
-  b = new Date((new Date(b)).toDateString());
-  return Math.abs(Math.floor((a.getTime() - b.getTime()) / DAY));
-};
-
 module.exports.viewHelpers = function(view) {
   view.fn('taskClasses', function(type, completed, value, repeat) {
     var classes, dayMapping;
diff --git a/lib/app/schema.js b/lib/app/schema.js
index e0a00b36cb..0fe90b0dc2 100644
--- a/lib/app/schema.js
+++ b/lib/app/schema.js
@@ -1,8 +1,10 @@
 // Generated by CoffeeScript 1.3.3
-var content, userSchema;
+var content, moment, userSchema;
 
 content = require('./content');
 
+moment = require('moment');
+
 userSchema = {
   balance: 2,
   stats: {
@@ -61,7 +63,7 @@ module.exports.updateSchema = function(model) {
         model.del(userPath);
         return;
       }
-      daysOld = require('./helpers').daysBetween(userObj.lastCron, new Date());
+      daysOld = moment().sod().diff(moment(userObj.lastCron), 'days');
       if (daysOld > 30) {
         sameTasks = _.filter(require('./content').defaultTasks, function(defaultTask) {
           var foundSame;
diff --git a/lib/app/scoring.js b/lib/app/scoring.js
index 3d77beaba5..30e1f4a956 100644
--- a/lib/app/scoring.js
+++ b/lib/app/scoring.js
@@ -191,15 +191,15 @@ score = function(spec) {
 
 cron = function() {
   var daysPassed, lastCron, today;
-  today = new Date();
-  user.setNull('lastCron', today);
-  lastCron = user.get('lastCron');
-  daysPassed = helpers.daysBetween(lastCron, today);
+  today = moment().sod();
+  user.setNull('lastCron', today.toDate());
+  lastCron = moment(user.get('lastCron'));
+  daysPassed = today.diff(lastCron, 'days');
   if (daysPassed > 0) {
-    user.set('lastCron', today);
-    return _(daysPassed).times(function(n) {
+    user.set('lastCron', today.toDate());
+    return _.times(daysPassed, function(n) {
       var tallyFor;
-      tallyFor = moment(lastCron).add('d', n);
+      tallyFor = lastCron.add('d', n);
       return tally(tallyFor);
     });
   }
diff --git a/src/app/helpers.coffee b/src/app/helpers.coffee
index 69fc360544..8a8557ff13 100644
--- a/src/app/helpers.coffee
+++ b/src/app/helpers.coffee
@@ -1,13 +1,5 @@
 moment = require('moment')
 
-module.exports.daysBetween = (a, b) ->
-  #TODO replace this function with moment().diff()?
-  DAY = 1000 * 60 * 60  * 24
-  # calculate as midnight
-  a = new Date( (new Date(a)).toDateString() ) 
-  b = new Date( (new Date(b)).toDateString() )
-  return Math.abs(Math.floor((a.getTime() - b.getTime()) / DAY))
-
 module.exports.viewHelpers = (view) ->
   view.fn 'taskClasses', (type, completed, value, repeat) ->
     #TODO figure out how to just pass in the task model, so i can access all these properties from one object
diff --git a/src/app/schema.coffee b/src/app/schema.coffee
index 0df6a9aad0..f2510a7992 100644
--- a/src/app/schema.coffee
+++ b/src/app/schema.coffee
@@ -1,4 +1,5 @@
 content = require './content'
+moment = require 'moment'
 
 userSchema = {
   balance: 2
@@ -40,7 +41,7 @@ module.exports.updateSchema = (model) ->
         return
              
       # Remove all users who haven't logged in for a month
-      daysOld = require('./helpers').daysBetween(userObj.lastCron, new Date())
+      daysOld = moment().sod().diff(moment(userObj.lastCron), 'days')
       if daysOld > 30
         # and who have mostly the default tasks
         sameTasks = _.filter require('./content').defaultTasks, (defaultTask) ->
diff --git a/src/app/scoring.coffee b/src/app/scoring.coffee
index 998fad40cd..33a25020af 100644
--- a/src/app/scoring.coffee
+++ b/src/app/scoring.coffee
@@ -166,14 +166,14 @@ score = (spec = {task:null, direction:null, cron:null}) ->
   return delta 
 
 cron = ->  
-  today = new Date()
-  user.setNull('lastCron', today)
-  lastCron = user.get('lastCron')
-  daysPassed = helpers.daysBetween(lastCron, today)
+  today = moment().sod() # start of day
+  user.setNull 'lastCron', today.toDate()
+  lastCron = moment(user.get('lastCron'))
+  daysPassed = today.diff(lastCron, 'days')
   if daysPassed > 0
-    user.set('lastCron', today) # reset cron
-    _(daysPassed).times (n) ->
-      tallyFor = moment(lastCron).add('d',n)
+    user.set('lastCron', today.toDate()) # reset cron
+    _.times daysPassed, (n) ->
+      tallyFor = lastCron.add('d',n)
       tally(tallyFor)   
 
 # At end of day, add value to all incomplete Daily & Todo tasks (further incentive)