moment/moment

Parse, validate, manipulate, and display dates in javascript.

Murat Aksoy

@muratak18

what can I do ?

Matt Scheurich

@lvl99

Hiya guys. I just wanted to ask a question regarding moment.startOf and moment.endOf in relation to locale and Middle Eastern countries. It seems there are a few (about 15 from my calculations) which start on a Saturday...

I don't know how accurate this chart is, but it's currently the only source of info that I can find with some kind of tabular data connecting country names to start of the week: http://chartsbin.com/view/41671

Matt Scheurich

@lvl99

I also did some quick normalisation (in conjunction with a gist I found online of ISO 3166-1 alpha-2 country codes) and further processing of the data: https://codepen.io/lvl99/pen/qYWVmd

Maybe there's some thing more complex here as it's more to do with a country than a locale, right?

Or maybe there's some shared locale information, I'm not sure

Matt Scheurich

@lvl99

it's probably already in the code anyway

Muhammad Sohail

@sohail0992

Angular Cannot find name 'moment'.

Elvis Begović

@elvisbegovic

It seems moment isn’t tree sheakable lib

All locales are in my bundle very annoying, any way avoid this? In ts project for browsers

Mike Escalante

@mcescalante

I'm getting a custom string back from someone that i need format - it looks like "201608051348" which is "YYYYMMDDHHMM"... this is NOT an ISO format, and I can't seem to figure out how to parse this... is Moment going to work for that or should I just write something from scratch and parse it as a Date()

moment('201206130139', 'YYYYMMDDHHmm') worked... i was using MM because i haven't had enough coffee

Sharikov Vladislav

@sharikovvladislav

Hi!

What is correct way to use momentjs for DATE ONLY case? DATE ONLY = date without time ?

For instance, for the CALENDAR component (without date). How to create momentjs object without time or how to detect momentjs object was initiated without time?

Sharikov Vladislav

@sharikovvladislav

Is is possible to get initial format if momentjs object was initiated with ISO string?

Sharikov Vladislav

@sharikovvladislav

Hi!

moment('2024-12').endOf('month').format('W')

moment('2024-12').endOf('month').add(-12, 'hours').format('W')

Both of these result to 1. Why? It must be something like 52.

Sharikov Vladislav

@sharikovvladislav

I got it. Thank you.

Hallvord R. M. Steen

@hallvors

I'm seeing a very weird test failure that boils down to moment-timezone returning an unexpected date :(

The test uses proxyquire to stub some APIs. This seems to be significant.

and it seems significant that some of the server files used require('moment') while the test used require('moment-timezone')

Code attempts to find next spring's DST change date for Oslo/Norway this way:

moment().tz('Europe/Oslo').add(1, 'year').month(2).endOf('month')
.weekday(0)

Hallvord R. M. Steen

@hallvors

now, this is very strange: if proxyquire runs before this code, and sets up a server with APIs that do require('moment'), the calculation above ends up with an unexpected date!?? March 25th 2019 (a Monday) rather than the expected 31st.

Mark Carpenter Jr

@mcarpenterjr

Do you know what version of moment the proxyquire server is requiring? The docs state that moment-timezone depends on moment 2.9.0+. Could also be a bug in between 2.9 and the current release, if the deps haven't been updated.

jacobg

@jacobg

The docs say the following:

Note: if you chain multiple actions to construct a date, you should start from a year, then a month, then a day etc. Otherwise you may get unexpected results, like when day=31 and current month has only 30 days (the same applies to native JavaScript Date manipulation), the returned date will be the 30th of the current month (see month for more details).

Bad: moment().date(day).month(month).year(year)

Good: moment().year(year).month(month).date(day)

Based on that information I would expect:
moment().year(2018).month(3).date(31).format()
To print: "2018-04-30T13:20:40-04:00”
But instead it prints: "2018-05-01T13:20:40-04:00”
Why?

Ivo Raisr

@ivosh

I am seeing weird test failures for all locales, when run with 'grunt test'. The environment has been setup as per CONTRIBUTING.md. Here is one manifestation of this problem:

Died on test #1 at global.test.QUnit.test (/home/iraisr/moment/node_modules/node-qunit/lib/child.js:133:21)
at /home/iraisr/moment/build/umd/test/locale/cs.js:553:5
at test (/home/iraisr/moment/build/umd/test/locale/cs.js:4:43)
at Object.<anonymous> (/home/iraisr/moment/build/umd/test/locale/cs.js:7:2)
at Module._compile (internal/modules/cjs/loader.js:702:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:713:10)
at Module.load (internal/modules/cjs/loader.js:612:32): undefined$S is not defined
ReferenceError: undefined$S is not defined
at prepareConfig (/home/iraisr/moment/build/umd/moment.js:2560:43)
at createFromConfig (/home/iraisr/moment/build/umd/moment.js:2544:44)
at createLocalOrUTC (/home/iraisr/moment/build/umd/moment.js:2631:16)
at createLocal (/home/iraisr/moment/build/umd/moment.js:2635:16)
at hooks (/home/iraisr/moment/build/umd/moment.js:12:29)
at Object.<anonymous> (/home/iraisr/moment/build/umd/test/locale/cs.js:554:22)

I was not able to find anywhere how those 'undefined$..' variables are constructed...

Ivo Raisr

@ivosh

This problem manifests also in CI-Travis builds, for example:
https://github.com/ivosh/moment/pull/1/checks?check_run_id=4681503

Robert Stiffler

@stifflerus

I'm seeing behavior with the .isAfter() method that I'd like to confirm is unexpected before I make a bug report. It looks like the comparison with day-granularity (moment1.isAfter(moment2, 'day')) depends upon the locale of moment1 to determine if the day number is equal.

for example

moment(new Date('2018-07-03T03:00:00.000Z')).isAfter(new Date('2018-07-03T00:00:00.000Z'), 'day') //false

this is false because my locale is GMT-4 so '2018-07-03T03:00:00.000Z' is actually Jul 02 in my locale

Robert Stiffler

@stifflerus

moment(new Date('2018-07-03T04:00:00.000Z')).isAfter(new Date('2018-07-03T00:00:00.000Z'), 'day') //true

However, if I set UTC mode, the result changes

moment(new Date('2018-07-03T04:00:00.000Z')).utc().isAfter(new Date('2018-07-03T00:00:00.000Z'), 'day') //false

Kodie Grantham

@kodie

Hi! I've posted on here before and also on GitHub and have gotten zero responses. I'd really like to update my plugin along with another plugin of mine but I need some input regarding this: moment/momentjs.com#439

sweetyv

@sweetyv

Hi Guys

anybody here?

Neil Stevens

@StickNitro

Is there anyway to set the meridian on a moment object

Scott O'Toole

@scottiedog45

Weird bug: I'm developing a phone gap app, and I'm able to reference moment if I spin it up in the browser. However, when I run it on device or an iOS simulator, moment is not defined. What's deal?

Disclaimer: I'm not a super advanced developer, so I may be missing something completely unrelated to moment.

This is probably related... now I'm just looking for a solution: As of version 2.10.0, the moment global is no longer available if a module system is detected. This was previously working in 2.9.0.

gregorysl

@gregorysl

Hey, I have a small problem with formatting output moment string what I want to do is
1) parse string I have (always like this: 2013W06 # Basic (short) week only)
2) substract 1 week
3) display in same format

Is there anything better than doing it parsed.format('YYYY[E]w') ?

Franky82dev

@Franky82dev

hello i have the follow timestring (00:15:00, HH:mm:ss) and i want to get (15 min) how can i do that?

Eder Gomez

@Ederagp

@Franky82dev you have to format moment().format("mm") //minutes

Franky82dev

@Franky82dev

@Ederagp thx for help

svsnarayanan

@svsnarayanan

Hi there

My input is 2018-05-31T21:10:54.010Z, i want to convert this into PDT time-zone

let formattedDate = moment.tz("2018-05-31T21:10:54.010Z", "America/Los_Angeles");
tooltipValue = formattedDate.format("MM/DD/YYYY [at] HH:mm:ss z");

svsnarayanan

@svsnarayanan

any help would be highly appreciated, thank you!

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