var Dates = require('date-math');
var interval = require('date-interval');
 
var start = new Date('2013-10-8T03:45:00Z');
var end = new Date('2013-10-11T04:25:00Z');
 
interval(Dates.day, start, end, { floor: true });
/*
[
  new Date('2013-10-08T00:00:00.000Z'),
  new Date('2013-10-09T00:00:00.000Z'),
  new Date('2013-10-10T00:00:00.000Z'),
  new Date('2013-10-11T00:00:00.000Z')
]
*/