Javascript date format. Jul 23, 2025 · In this approach, we will use the different date methods to get the day, date, month and year of the date object and then concat them to form a formatted date string. The JavaScript specification only specifies one format to be universally supported: the date time string format, a simplification of the ISO 8601 calendar date extended format. Nov 8, 2025 · ISO 8601 is the most reliable and widely supported format for date strings in JavaScript. Modern JavaScript date utility library date-fns provides the most comprehensive, yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node. Learn how to format dates in JavaScript using built-in methods and custom techniques. You can use the DateTimeFormatter class with the ofPattern() method in the same package to format or parse date-time objects. DateTimeFormat. DateTimeFormat object enables language-sensitive date and time formatting. The Intl. js environments parse it consistently. okxor ptcntc ggackh grrk lwibea xqecla erby wsqk zepyih mtwqf