Ymas

Any historical Jesus was not born on 25th December, since it would be quite a coincidence for him just to happen to be born on the same day or close to a few pagan holidays such as Saturnalia, and because if the gospel accounts are to be trusted, the sheep were on the hills outside at night and not inside because of cold weather. I mean, if they can be trusted, but let's not worry about that as it's a specific faith-based holiday commemorated from 25th December so it may not be up to outsiders to judge. At the same time, we have the whole jamboree of Xmas the great big commercial festival and cheery-uppy thing in the middle of the Northern Hemisphere winter, which you aren't going to get people to stop doing, while lots of people do complain about the commercialisation of Xmas, it starting too early and so on.

Therefore, choose another date for the birth of Jesus, such as 28th May or maybe some time in September, which is one suggestion made by Arthur C Clarke, have that as the religious observance and call it Xmas, in order to incorporate the cross and the first letter of Xrist, and institute another festival which is just about all the stuff we actually do during that season which isn't directly connected to the Jesus bit, but still includes all the piss-ups, get-togethers and even the goodwill and charitable stuff, on 25th December, at least in the Northern Hemisphere, and call it Ymas (or maybe "Christmas in December"). That way, nobody can be justified in complaining about a religious holiday being used as a bank holiday or conversely over-commercialised, and there's a new religious holiday which is actually about Jesus and so on.