JAVASCRIPT

moment date without timezone

moment().utcOffset(0, true).format()

moment timezone set default timezone

moment.tz.setDefault("America/New_York");

moment timezone set clock in another timezone

moment.tz(
  new Date().toJSON().split('T')[0] + ' 5:00 PM', 
  'YYYY-MM-DD h:mm A', 
  'America/New_York'
)