@SK318 wrote:
we share custody 50/50, though of course 365 is an odd number, so my understanding is that IRS rules won't let us say they y say they were with both us exactly half of the time.
That's true. But you don't want them to be with each of you exactly half the time. If that happened, neither of you could be head of household because the kids were not with either of you for more than half the year. Be careful in leap years,, which have an even number of days.
