1var given = moment("2018-03-10", "YYYY-MM-DD");
2var current = moment().startOf('day');
3
4//Difference in number of days
5moment.duration(given.diff(current)).asDays();

1moment(new Date()).diff(moment(new Date()), 'days') // 0

1// moment version => 2.13.0.
2const start = moment().subtract(1, 'days');
3const end = new Date();
4const actual = moment().subtract(1, 'hours');
5const test = moment(actual).isBetween(start, end);
6console.log(test);
7  
8// moment version < 2.13.0.
9var startDate = new Date(2013, 1, 12)
10  , endDate   = new Date(2013, 1, 15)
11  , date  = new Date(2013, 2, 15)
12  , range = moment().range(startDate, endDate);
13range.contains(date);

1target.isBetween(start, finish, 'days', '()') // default exclusive
2target.isBetween(start, finish, 'days', '(]') // right inclusive
3target.isBetween(start, finish, 'days', '[)') // left inclusive
4target.isBetween(start, finish, 'days', '[]') // all inclusive
5

1moment diff sample