import { isLeap } from "https://deno.land/std@0.138.0/datetime/mod.ts";
Check given year is a leap year or not. based on : https://docs.microsoft.com/en-us/office/troubleshoot/excel/determine-a-leap-year
import { isLeap } from "https://deno.land/std@0.138.0/datetime/mod.ts";
Check given year is a leap year or not. based on : https://docs.microsoft.com/en-us/office/troubleshoot/excel/determine-a-leap-year