What is ISO 8601 date/time format?

ISO 8601 Formats ISO 8601 represents date and time by starting with the year, followed by the month, the day, the hour, the minutes, seconds and milliseconds. For example, 2020-07-10 15:00:00.000, represents the 10th of July 2020 at 3 p.m. (in local time as there is no time zone offset specified—more on that below).

How do I convert a date to an ISO?

toISOString() method is used to convert the given date object’s contents into a string in ISO format (ISO 8601) i.e, in the form of (YYYY-MM-DDTHH:mm:ss. sssZ or ±YYYYYY-MM-DDTHH:mm:ss. sssZ). The date object is created using date() constructor.

How do I format an ISO string?

ISO 8601 uses the 24-hour clock system. As of ISO 8601-1:2019, the basic format is T[hh][mm][ss] and the extended format is T[hh]:[mm]:[ss]. Earlier versions omitted the T (representing time) in both formats. [hh] refers to a zero-padded hour between 00 and 23.

How to get ISO 8601 date in JavaScript?

JavaScript provides two different methods to get the ISO 8601 and UTC representation of a date object. In this tutorial, I will show you how to use these methods : toISOString method is used to convert one Date object to ISO 8601 string. The output is always in YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ format.

Which is the best date format for JavaScript?

ISO 8601 is the international standard for the representation of dates and times. The ISO 8601 syntax (YYYY-MM-DD) is also the preferred JavaScript date format: The computed date will be relative to your time zone.

How to convert ISO 8601 to UTC time zone?

Just create one Date object and call this method to get the ISO 8601 representation : toUTCString returns the date in string format using the UTC time zone. Prior to ECMAScript 2018, the format of the returned value varies based on the system. The new format is similar to toString.

Why is ISO 8601 used for date representation?

ISO 8601 is a standard used for date-time representation. The way date is represented, the date separators are not the same for all countries. Using ISO 8601, we can convert all times to a similar format. So, if we store the ISO date on the database, it can be converted and represent as we like on the frontend.