momentjs

Try : moment().month(“July”).format(“M”); Relevant documentation: http://momentjs.com/docs/#/get-set/month/ alert(moment().month(“July”).format(“M”)); <script src=”https://momentjs.com/downloads/moment.min.js”></script>

You just need to clone the moment first before modifying it. Use either current.clone().whatever… or moment(current).whatever…. They both do the same thing. This is necessary because moments are mutable.

On Item 1 – Yes, that’s one way to do it. However, if the output format is just going to be an ISO8601 UTC timestamp, then you can call toISOString directly on the original moment. Since UTC is implied by the output, it would be redundant to call utc() again. On Item 2 – Just … Read more

First include moment-timezone with data and then you can use moment.tz.names();

You are correct, you can use moment’s diff function to subtract two dates (see my example on Plunker): var date1 = moment(‘2016-10-08 10:29:23’); var date2 = moment(‘2016-10-08 11:06:55’); var diff = date2.diff(date1); Diff will be equal to 2252000, the number of milliseconds between the two date. See documentation for more details. You can pass a … Read more

Moment.js is providing the fromNow function to get time durations in human readable fromat, see http://momentjs.com/docs/#/displaying/fromnow/ Example: moment([2007, 0, 29]).fromNow(); // 4 years ago moment().subtract(375, ‘days’).fromNow(); // a year ago You need to use third party lib as suggested by @Fluffy

As of momentjs documentation: By default, Moment.js comes with English locale strings. If you need other locales, you can load them into Moment.js for later use. You can change it with that: moment.locale(locale); To get the user’s locale with javascript you can do that: var locale = window.navigator.userLanguage || window.navigator.language; Refer to: http://momentjs.com/docs/#/i18n/changing-locale/ and JavaScript … Read more

Pay no attention to those. Use the various output functions, such as .format() instead. See the Moment.js guidance on this topic. In short, all fields that are prefixed with an underscore (_) should be considered off limits. The moment internals have some quirks due to how the Date object works. All of the functions in … Read more