Moving abroad mid-year: how your tax splits
Relocate partway through the year and the tax treatment turns on your exact date — here's how four countries handle it.
How to reconstruct your travel history
The exact entry and exit dates that visa, residency and tax forms demand — and where to find them when you didn't keep track.
Schengen 90/180 vs. the 183-day tax rule
Two famous day-counts, two different clocks — why staying under one tells you nothing about the other.
Who has to prove where you were?
When a tax authority or border officer doubts your day count, you are usually the one who has to prove it — here is what that takes.
What counts as a 'day' for visas and tax
The day you arrive and the day you leave aren't counted the same way everywhere — Schengen, the US and the UK each define a 'day' differently.
How to count your days abroad without losing the plot
Partial days, rolling windows, unreliable stamps: the practical traps of day-counting, and a simple system that survives a messy travel year.