Curated by Vinod Kumar Jain & Amit Jain · All Frontier Global · free, no login
Enter your travel periods and this tallies days present per jurisdiction against a threshold you supply. That is all it does, and the limit is the point: no country's rules, thresholds or treaty tests are embedded here. Residency turns on far more than a day count — ties, intent, home, family and treaty tie-breakers all bear on it. Bring the thresholds from an official source or your adviser, and treat the tally as input to that conversation.
The arithmetic
Days in a period = the calendar days between the two dates, with arrival and departure treated according to the setting you chose. All three conventions are offered because all three are used somewhere.
Days per jurisdiction = the sum across every period carrying that label. Labels are matched exactly, so spelling a jurisdiction two ways will split the count.
Against the threshold = each jurisdiction's total compared with the single figure you entered, flagged at or above it.
Overlapping periods are not detected or merged — if two periods overlap, both are counted, which is usually a data-entry error worth catching.
Honest limits
A day count is not a residency test. It is one input to several. Ties to a country, where your home and family are, where your economic interests sit, citizenship and treaty tie-breaker rules can all outweigh it — in either direction.
No thresholds are embedded, for any country. They differ, they have exceptions, and several jurisdictions apply rolling multi-year formulas rather than a single annual number. Take yours from the tax authority or your adviser.
Part-day rules differ and matter more than people expect for frequent short trips. The three conventions offered here do not exhaust the possibilities; some rules count transit differently, or disregard days spent due to illness.
Leaving one country is not the same as arriving in another. Ceasing residence often has its own test, its own timing and sometimes an exit charge. Being resident nowhere is rarely the outcome people expect.
Not tax advice. Getting residency wrong is expensive and hard to unwind. Use this to prepare for a conversation with a qualified adviser, not instead of one.
Sources
None embedded and none fetched — no country’s day threshold, residency test or treaty provision appears anywhere on this page. The authorities are the tax administrations of the countries involved and the treaty between them, read with a qualified adviser.