Date-fns in an open-source library supporting date parsing and formatting, locales, and date arithmetic like addition and subtraction. It’s dubbed as Lodash for dates due to its versatility.

Beyond the usual quick tips, let's look at both the business case and the technical side of keeping React bundles lean.

The Date object in JavaScript is the main element when it comes to handling date and time. It records a single point in time as the milliseconds’ number elapsed since the 1st January 1970 00:00: ...