Aibu to stop this multiple Christmas day madness?

I agree with most that the 3 days is pretty normal in order to see everyone. Many would be jealous that you get a quiet Xmas day at home. Why do you cook turkey on Xmas day though if you've had it Xmas eve? That day seems the easiest one to change. Just have a meal that suits you and the dc.

Once is more than enough.

Presents are exchanged on multiple days, because we do them when we see people, but stockings and presents from us are a Christmas Day only thing. The children get the same number of gifts either way but it’s much less manic and more enjoyable for everyone that they end up a bit spread out. I wouldn’t tell my parents or in-laws they had to send presents for my kids to open on Christmas Day if they were seeing them the next day and could enjoy giving and watching them be opened.

I only cook one Christmas Dinner, usually on Christmas Eve. On other days if we have guests then it’s a big lasagne I’ve made ahead or a side of salmon or a ham. But no way am I cooking three consecutive roast turkey (well, actually chicken because I hate turkey) dinners. They’ll still be nice meals, but not a traditional Christmas dinner.

So no, we don’t replicate Christmas Day multiple times. We do enjoy a nice day with a nice meal and games on Christmas Eve or Boxing Day, but they are distinct. If other people want to host extra Christmas Days or prefer to do things alone so they can have a full on Christmas Day on the 27th then I’m fine with that, but I’m not doing the work that involves myself.

We spread the presents out over a few days. In your situation I would just cook the Christmas dinner on Boxing Day and have something easier on Christmas Day so you can spend the time with your children. I won’t be slaving in the kitchen on Christmas Day.

We buy a turkey to feed 8-10 even though there's only 2 of us because there's always people popping in last minute and we have a lot of leftovers so we don't have to cook anything proper for days.

Yeah who are these people with spare ham

You’d have to be pretty dim not to realise you can’t magic up ham or turkey for 4 on Christmas Eve 😮

I think it's normal to do the three days but not normal to do a full Christmas dinner 3 times.

Christmas Eve - buffet, random supermarket Christmas bits
Christmas Day - dinner
Boxing Day - ham + leftovers

YANBU
You'll need to get a grip of advent calendars too.
Primary school mornings were a potential meltdown, school refusal situation so it was very calm here, very routine.There was a memorable year when each set of grandparents gave chocolate advent calendars, plus Aunts and Uncles. Some were shared, some individual, on involved popping balloons but only one of the favourite.
By about the fourth, after school I put the whole bloody lot on the table and said just open them all now, all of them. #making memories

My mum does the whole repeat the entire Xmas roast dinner thing. This was pretty much wanting one of us to crack and say ' you do the best dinner, my roast potatoes are a poor shadow. You are better than Delia, Nigella and Nigel. M&S barely warmed thru side, gosh how you spoil us.

I've never come up with the combination of timing and words to stamp this out.
You get extra indigestion if school Xmas dinner, work and a club also feature a Roast dinner within a fortnight.

Embrace a quiet Christmas Day at home in between - Santa gifts and what you give them.

Low key meals and playing with the DC.

You will have to decide what time you want to be home Christmas Eve to do Santa Mince Pies etc. hopefully a busy day and late night they will be shattered and go to sleep quickly.

Christmas Eve and Boxing Day they get gifts from family that you get to thank them for and hopefully the DC will play with.

My family lives in different places and nowadays we celebrate: Christmas eve, Christmas, New year's eve, New year and The Epifany when the three wise men visit baby Jesus, also there are three birthdays, one on the 30th of December, one on the 5th of January and the other on the 6th of January.
We never had enough big meals these days.
It depends of the family setup and beliefs I suppose, some people celebrate none.
BTW if you don't like three days YANBU to stop it.

2 - 3 months notice? Crikey. Why?

if you're having full xmas dinner on xmas eve and boxing day with relatives, i'd be keeping xmas day for ourselves and keeping it more buffet style/low key.

As you're hosting Boxing Day I would do a buffet of a few bits that are just put in the oven, something in the slow cooker like chilli, crusty bread, bit of cheese, etc. I definitely wouldn't have the energy or stomach for a 3rd roast dinner in a row!

If it is just you on Christmas Day don’t have full Christmas Dinner on that day. More time to spend with DC too

I don’t really get the big deal? It’s fairly normal to celebrate with people on different days over the festive period. The kids aren’t getting any more presents than they would otherwise they are just opening them with the grandparents.
What is your actual issue with it?

Sounds very busy! We have 3 roast dinners but spread out over the week so it’s fine.
Maybe don’t do roast on Christmas Day if it’s just your family unit especially if kids are little. More time to enjoy with them and not being busy in the kitchen…

Yes we did this for years and sort of still do it.

Christmas Eve and Christmas Day and Boxing Day is a bit close together though.

We used to have the big family gathering on one side originally on Boxing Day but as it got too big for one person's house we hired a function room in a pub and it was usually the 29th or so?

I'd feel a bit weird having three in consecutive days.

Do you need to have Christmas dinner for Christmas day on your own if you've already had one on Christmas eve and will be having another on boxing day? I'd be tempted to just do a special dinner that still feels fancy. E.g. seafood to start, pheasant or chicken (but a chicken dish like tarragon chicken rather than a roast) or steak as a main and a lovely dessert. Have Christmas stockings/Santa gifts on Christmas day, other days are gift exchanges. Then watch a movie/ play games. So Christmas day itself is a special quieter day that provides a bit of a break in between the 2 big days.

It’s surely up to you - we do 12 days of Christmas here.

Are you having to cook each day?

Why would anyone want a Christmas dinner on Christmas Eve? Wouldn't they just have a plate of it when they get back on Christmas Day?

And for those who want it on Boxing Day - what do they eat on Christmas Day?

Pretty normal for us. We always have Christmas Day at ours but effectively have another Christmas at my parents’s house plus the in-laws.

Definitely not the norm. If I somehow had to host 3 days running, I would do party food on Xmas Eve, Xmas dinner on Xmas Day and party food + leftovers on 26th.

I think you're lucky to have that many people to be around at Xmas x

I’ve never truly recovered from the couple of years DH and I were first together when we used to do Xmas Eve and Christmas morning with early Xmas lunch with my DParents, drive 2 and a bit hours to DPIL and have another full Xmas dinner that evening. Was much relieved when we managed to stop that game.

Do what suits your family, please. But by that I do mean both you and DH…I have a surprising number of female acquaintances who only ever spend Xmas with their family and that feels a bit off to me.