It's common to give the moon fournil période names (Moon Vélo), it's like they divide the moon cycle to forth different times, First Nous-mêmes is the new moon, second Je is the first quarter, third Nous-mêmes full moon, fourth Nous and the last it's the last quarter, In the below https://o-ph-ng-ng-ph-c-h-c-sinh70135.blogs100.com/36889714/sur-Áo-phÔng-ĐỒng-phỤc-hỌc-sinh