To want something for this?

[NomsQualityStreets]

DH has a hobby which runs from mid August to April every year. It's a growing sport and he's quite involved in the club he's in a does coaching etc which is all a part of the hobby as he loves it.

It means every Sunday they have an event which is sometimes a few Sunday's in a row he is gone for the day or only here until late morning and back late afternoon and I'm alone with 2 LOs unless I come to watch him which isn't really doable with the DCs now which is fine.

He's starting it back up and is super excited and I'm really happy for him except for the fact that he has just called me on the way back from the first training session telling me he forgot that Sunday is a big event/seminar or whatever to do with the sport in the UK and everyone has to be there. He will basically be gone for the whole day.
I'm ticked off to say the least, this was supposed to be one of our last weekends before it all starts up and he said there was nothing on. I'm basically going to spend Sunday alone tackling 2 DCs one of them being a baby which is basically what my Mon-Fri looks like and I'm gutted as weekends with DH around are my only downtime.

I've hung up on him which I know is a massive overreaction on my part and I know that.
I intend to be OK about it and understanding but AIBU to can't help but feel I should ask for something in return?

What is the 'something' you want for this? It all sounds very tit for tat.

I used to find weekend days harder to fill than weekdays if my dh was busy. During the week friends were around and various baby groups etc. I feel your pain.

I think the compromise is that dh gives you time off on some week nights. You need down time too, even if it's just mumsnetting in peace or reading.

Obviously you're pissed off and made it pretty clear, it sounds like he'll try harder in future.

It doesn't sound like that - from what the OP has said he has turned it around and blamed her occasional prior lateness for his decision to ignore previous arrangements and go to the pub instead of going home. He doesn't see that what he did was yet another sign that he doesn't see why it's important to the OP for him to stick to the arrangments and not just tack additional hours of 'me time' onto his already pretty self-serving hobby schedule thus denying the OP the chance to have any sort of break herself.

It’s the assumption that you’ll just be around to have the kids and he can do what he likes without considering you and the kids isn’t it OP? That’s the impression I get anyway, that he’s just merrily sorting out his wants without considering his family.

Would piss me right off too, tbh.

YANBU. Sounds like he's not listening to you, you're not feeling heard at least, which sucks. It's disrespectful to not text when he will be late, when you're with two kids. If you left him for an extra hour with them I'm sure he'd have something to say.
It's a take as old as mumsnet I reckon, theees no easy answer apart from 36 hours in a day or winning the lottery

I've been there, even though I'm a bit of a loner despite being married and liked the time alone it did come to the point where I resented DH because I knew in advance of every weekend, I couldn't go anywhere on a Sunday afternoon for months.

You do need to ask him to take the children for a few hours on a Saturday morning or afternoon just so you can get some breathing space. Even if it's just for a lie-in, or so you can sit in your bed eating maltesers or whatever - you don't necessarily have to get a "thing" to do. Just a little breathing space where you feel like you're a human instead of a minder of small people 24/7. Or alternately, pick something on a Sunday that you CAN do with the DC. Something special you can look forward to. (Again, I vote for eating maltesers in bed, but you may be one of those people who actually likes fresh air so maybe a picnic or walk or cinema or zoo or family or playground or whatever) xx