Count days for the US substantial presence test

Enter your US stays for this year and the two years before it.

Your US stays

Your result

Calendar yeardaysWeighted total
Current year daysFull value (1)——
Prior year daysOne third (1/3)——
Two years priorOne sixth (1/6)——
Weighted total—
Day thresholds met—

This calculator does not evaluate exempt days, closer-connection relief or treaty positions.

How the substantial presence day test works

The engine counts all entered US days in the selected year, one third of the prior-year days and one sixth of the second prior-year days. The test also requires at least 31 current-year days.

Official source
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