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const date = new Date('2024-10-15');

const narrow = new Intl.DateTimeFormat('en-US', {
  weekday: 'narrow'
});
console.log(narrow.format(date)); // "T"

const short = new Intl.DateTimeFormat('en-US', {
  weekday: 'short'
});
console.log(short.format(date)); // "Tue"

const long = new Intl.DateTimeFormat('en-US', {
  weekday: 'long'
});
console.log(long.format(date)); // "Tuesday"

const date = new Date('2024-10-15');

const numeric = new Intl.DateTimeFormat('en-US', {
  year: 'numeric'
});
console.log(numeric.format(date)); // "2024"

const twoDigit = new Intl.DateTimeFormat('en-US', {
  year: '2-digit'
});
console.log(twoDigit.format(date)); // "24"

const date = new Date('2024-10-15');

const numeric = new Intl.DateTimeFormat('en-US', {
  month: 'numeric'
});
console.log(numeric.format(date)); // "10"

const twoDigit = new Intl.DateTimeFormat('en-US', {
  month: '2-digit'
});
console.log(twoDigit.format(date)); // "10"

const narrow = new Intl.DateTimeFormat('en-US', {
  month: 'narrow'
});
console.log(narrow.format(date)); // "O"

const short = new Intl.DateTimeFormat('en-US', {
  month: 'short'
});
console.log(short.format(date)); // "Oct"

const long = new Intl.DateTimeFormat('en-US', {
  month: 'long'
});
console.log(long.format(date)); // "October"

const date = new Date('2024-10-15');

const numeric = new Intl.DateTimeFormat('en-US', {
  day: 'numeric'
});
console.log(numeric.format(date)); // "15"

const twoDigit = new Intl.DateTimeFormat('en-US', {
  day: '2-digit'
});
console.log(twoDigit.format(date)); // "15"

const date = new Date('2024-10-15');

// Month and year only
const monthYear = new Intl.DateTimeFormat('en-US', {
  year: 'numeric',
  month: 'long'
});
console.log(monthYear.format(date)); // "October 2024"

// Weekday and day only
const weekdayDay = new Intl.DateTimeFormat('en-US', {
  weekday: 'short',
  day: 'numeric'
});
console.log(weekdayDay.format(date)); // "Tue 15"

// Month and day only
const monthDay = new Intl.DateTimeFormat('en-US', {
  month: 'long',
  day: 'numeric'
});
console.log(monthDay.format(date)); // "October 15"

// All components with custom formatting
const custom = new Intl.DateTimeFormat('en-US', {
  weekday: 'long',
  year: 'numeric',
  month: 'short',
  day: '2-digit'
});
console.log(custom.format(date)); // "Tuesday, Oct 15, 2024"

const date = new Date('2024-10-15');
const options = {
  year: 'numeric',
  month: 'long',
  day: 'numeric'
};

const en = new Intl.DateTimeFormat('en-US', options);
console.log(en.format(date)); // "October 15, 2024"

const de = new Intl.DateTimeFormat('de-DE', options);
console.log(de.format(date)); // "15. Oktober 2024"

const ja = new Intl.DateTimeFormat('ja-JP', options);
console.log(ja.format(date)); // "2024年10月15日"

const ar = new Intl.DateTimeFormat('ar-SA', options);
console.log(ar.format(date)); // "١٥ أكتوبر ٢٠٢٤"

const date = new Date('2024-10-15');
const options = {
  weekday: 'long',
  month: 'long'
};

const en = new Intl.DateTimeFormat('en-US', options);
console.log(en.format(date)); // "Tuesday, October"

const fr = new Intl.DateTimeFormat('fr-FR', options);
console.log(fr.format(date)); // "mardi octobre"

const es = new Intl.DateTimeFormat('es-ES', options);
console.log(es.format(date)); // "martes, octubre"

const date = new Date('2024-10-15');

const formatter = new Intl.DateTimeFormat('en-US', {
  year: 'numeric',
  month: 'long'
});

console.log(`Published: ${formatter.format(date)}`);
// "Published: October 2024"

const date = new Date('2024-10-15');

const formatter = new Intl.DateTimeFormat('en-US', {
  weekday: 'long'
});

console.log(`Event on ${formatter.format(date)}`);
// "Event on Tuesday"

const date = new Date('2024-10-15');

const formatter = new Intl.DateTimeFormat('en-US', {
  month: 'long',
  day: 'numeric'
});

console.log(`Birthday: ${formatter.format(date)}`);
// "Birthday: October 15"