Question

what is the formula for finding the leap year?

Answer 1

Calculating leap years requires having a year that you want to check. Use a past year, the current year, or a future year as your starting point.[1]

For example, you could start by checking 1997 or 2012 if you want to look at a past year, or go with 2019 to check the current year, or select 2025 or 2028 to check a future year.