1. "翊" and "翌" have the same pronunciation, but their meanings are different. Yi has the meaning of helping to fly, while Yi just means a new day. Confusing "翊" and "忟" may lead to misunderstanding or confusion.
2. The second day refers to a new day, which means the future, rebirth, etc. However, many people are not familiar with this word, so they will have some troubles when choosing a name.