Answers for "get difference between today and given date moment js"

moment date difference in days

moment(new Date()).diff(moment(new Date()), 'days') // 0

Moment.js: Date between dates

You can use one of the moment plugin -> moment-range to deal with date range:

var startDate = new Date(2013, 1, 12)
  , endDate   = new Date(2013, 1, 15)
  , date  = new Date(2013, 2, 15)
  , range = moment().range(startDate, endDate);

range.contains(date); // false