JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment.js"></script>

JavaScript

function log(m){$('body').append('<p>' + m)}

moment.lang('en', {
	meridiem : function (hour, minute, isLower) {
  	if (hour > 20 && hour < 4) {
    	return 'шаб';
    } else if (hour < 11) {
    	return 'субҳ';
    } else if (hour < 16) {
    	return 'рӯз';
    } else {
    	return 'бегоҳ';
    }
  }
});

log(moment('2017-09-03 20:40').format('LLLL'));