@ende/datetime/is-leap

Exports

• isLeap — Returns whether the given year is a leap year. Passing in a Date object will return the leap year status of the year of that object and take the current timezone into account. Passing in a number will return the leap year status of that number.
• isUtcLeap — Returns whether the given year is a leap year in UTC time. This always returns the same value regardless of the local timezone.