Evalate a date expression calc`now + 3 days`)!

A lite version of moment

A javascript common use date utilities and compatible with typescript.

Zero-dependency calculation of Polish statutory late-payment interest, segmented across NBP reference-rate changes and half-year commercial rates.

The transformation between date type and string type can calculate the time difference between two dates, calculate the maximum number of days in a month, and so on, and achieve various ways to deal with date types.