Can you cancel a leap year?

Answer 1

Only if nature allows it. In other words, NO WAY if your an ordinary human, or YES WAY if you somehow alter the way the planets move and create a very unbalanced universe and the leap year never comes and you just violated the laws of nature.

Answer 2

No, leap years cannot be canceled. Leap years are necessary in order to keep the calendar aligned with the Earth's orbit around the sun. Without leap years, the calendar would gradually fall out of sync with the solar year.