Well it's my un birthday too.😅 Everyday 🎶 is a reason to keep celebrating 🎉 one's existence without holding back. It doesn't need to be a once a year event 🥳🤩🎂☕
My theory is the opposite, since The Unbirthday in wonderland seems like a birthday for us and probably the birthday to them is like unbirthday for us which is everyday of our lives.. Only my theory