CODEWITHSUNDEEP
javascriptmomentjs
Ankita Jaiswal
Ankita Jaiswal

Reputation: 262

moment get time period AM//PM localized

Do we have a function like moment.weekdays() or moment.months() which will return AM PM localized? Something like moment.period()?

timeFormatDefaultLocale({
    "dateTime": "%A, der %e. %B %Y, %X",
    "date": "%d.%m.%Y",
    "time": "%H:%M:%S",
    "periods": ["AM", "PM"], <------ I need to pass moment function to get period
    "days":  moment.weekdays() as any,
    "shortDays": moment.weekdaysShort() as any,
    "months": moment.months() as any,
    "shortMonths": moment.monthsShort() as any
});

Upvotes: 1

Views: 2325

Answers (2)

VincenzoC
VincenzoC

Reputation: 31482

There is no built-in momentjs function to get ['AM', 'PM'] localized, if you look at Accessing locale specific functionality section of the docs, you will see that moment has isPM and meridiem:

localeData = moment.localeData()
// ...
localeData.isPM(amPmString);  // returns true iff amPmString represents PM
localeData.meridiem(hours, minutes, isLower);  // returns am/pm string for particular time-of-day in upper/lower case
// ...

Have a look at Customize#AM/PM and Customize#AM/PM Parsing sections to have further info on how moment manages meridiem.

For most of the locales you can write your own workaround function like this one (using moment(Object), format() and locale()):

function period(locale) {
  return [
    moment({h: 0}).locale(locale).format('A'),
    moment({h: 23}).locale(locale).format('A')
  ];
}

['en', 'en-us', 'de', 'it', 'fr', 'zh-cn'].forEach(localeName => {
  console.log( localeName, period(localeName) );
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment-with-locales.min.js"></script>

If you nee to manage also locales that have multiple AM/PM values (e.g. zh-cn), you can use something like the following:

function period(locale) {
  const result = new Set();
  let m = moment({h: 0}).locale(locale);
  for(let i=0; i<24; i++) {
    result.add( m.format('A') );
    m.add(1, 'h');
  }
  return Array.from(result);
}

['en', 'en-us', 'de', 'it', 'fr', 'zh-cn'].forEach(localeName => {
  console.log( localeName, period(localeName) );
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment-with-locales.min.js"></script>

If you consider using other libraries, note that Luxon (momentjs "younger brother") has the Info.meridiems() method that may help you, even if seem to handle always 2 values for AM/PM (See zh-cn result):

const Info = luxon.Info;

['en', 'en-us', 'de', 'it', 'fr', 'zh-cn'].forEach(localeName => {
  console.log( localeName, Info.meridiems({ locale: localeName }) );
});
<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/global/luxon.min.js"></script>

Upvotes: 1

Ajinkya
Ajinkya

Reputation: 345

Please try with this 

 moment.format('A')

here A is for AM PM format

Please refer example bellow :

  console.log('Current Time is :'+moment().format('hh:mm A')) ;
   
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment.min.js"></script>

Upvotes: 1

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