English phrases -1 16 January 201915 January 2019 suresh jani આનું ગુજરાતી શું થાય? Once in a blue moon. જવાબ જુઓ ક્વચિત, કદીક, કોઈ જ સમયે A "Blue Moon" is a fairly infrequent phenomenon involving the appearance of an additional full moon within a given period. https://www.space.com/15455-blue-moon.html
