5 year family route to ILR, risk of early submission?

Hi
I am towards the end of my five year family route and eligible to apply for irl in the middle of December this year.
My old biometric card was valid from 10 Jan 2021, and the family visa's entry clearance was valid from 15 Jan. There was not time stamp on my passport, and strangely I could not find the informaiton fot the flight I took back to the UK, but I believe it was either on 15 or the 16 I landed, because the statement of my old credit card says that on 17 Jan I spent in a KFC store 2 miles from when I have lived.

So, Can I argue to count 28 days of concession time back from the 10 Jan not the 15 or 16 Jan when I entered the UK? I know this is normally very stupid and risky, but if I counted back from 16 Jan then the earlist time I can apply for ILR will be on 19th, a date very close to Christmas holiday and I am worried that even if I go with super priotity I won't receive my ILR before New year.

We as a family are having a painful situation. My wife is currently working in a middle east country, because northen Scotland is hit hard by the withdrawing of oil industry, we like lots of oild workers here could not find decent jobs but going aboard. When my wife signed for her current job back in July this year, she chose the family package and wanted us to move in with her for the next whole year, instead of a rotational role. The rule of the package is strict, that if I don't move in with my wife within six months, we will lose the package and will have to pay back the relocation compensation.
I originally plan to move with her to middle east to spent 180 days there and then came back to apply for ILR, but with the current political going on the ilr debate, I want to go with the citizenship instead, and we cut our days outside to 90 days, which was agreed by her relocating manager a few weeks back.
However, the new relocating officer who just came in this week insisted I must go back to middle east asap! the time limit he gives is early Jan!

So, put it simple, I desparately want to have both ILR and citizenship done before Jan next year, thus is the reason I want to count back from 10th Jan not the 16th when I entered the country, simplely to avoid the possible delay of the christmas season. I know this is risky, very risky, that why I ask here, is there even a slightest chance the case worker in will give me some flexibility and ignore these 6 days I submitted earlier? afterall, it is only 6 days.
Or, could somebody with inside experience tell me how available the priority service near Christmas will be and how fast can they process ilr application during holiday season. If the answers is very bleak, like I could not get anything before Jan, I would even condider giving up applying for ilr at all , just to go back to middle east to save her career and our marriage.
Thank you

If you entered on 16 Jan 2021, then your 5 years will complete on 16 Jan 2026. You will become eligible to be granted ILR 28 days prior to date. So I suggest applying early (late Nov, early December) and book your appointment after 18 December.

Read: All you need to know about applying early, the application date, 28-day concession and more

Hi
Thanks for your reply, Zimba
About you words of applying earlier in late November and early December, does it mean finishing the online application, paying for the super priority and submitting it? and then book a biometric appointment on the 18th or 19th ? Because 19th or 18th is the decision day, which by rule can be used by the case worker to counted back 28 days to 15/16th Jan, and so this does not make it an earlier applicaiton, right? Is this how I should interpretate the rules?

I also have another problem, Zimba
This is actually my second Set o application. I missed my first chance back in 2019 when I remember the wrong date of my biometric's expiration. Th immigration advisor for hire at the moment argues that I should try going for ILR anyway, and of course the application was rejected in 2020. We tried appealing, basically jus to postpone the leaving day so I could complete the IVF treatment in the UK, before going back to Canada on my own in November that year to apply a new family visa outside the UK.
So, does the rejection back in 2020 would make my case complecated and unsuitable for priority service?

I also had a traffic offense. Back in 2017 I drove on the emergency lane to pass the slow cars ahead, which was filmed and reported by the driver I passed ! This guy accused me of dangerous driving, and I didn't hire any solicitor just to save money, which I shouldn't. In the end the court suspended my license for a year and fined me 150 pounds. I served the penalty, but it has been a criminal record, albeit a traffic violation, in my history, so does this also bring complecation to my applicaiton?
Thanks,
You have been so helpful.

Do not invent your own rules. None of those things you raised are issues for your ILR. Just follow the advice I gave you above