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Not tax, legal, immigration, accounting, or medical advice. You use USA Stay Tracker entirely at your own risk. The operator is not responsible for how you use it, or for any decision, filing, trip, penalty, or loss. Full terms

1970 ledger

How long have you been south?

If every planned stay happens

Booking forecastFile Form 8840

Weighted presence would meet the Substantial Presence Test. Stay under 183 calendar days and file Form 8840.

2026

File Form 8840
If planned
155 days
Taken
108
Weighted
225
183-day
28 left
SPT
Met

2027

File Form 8840
If planned
110 days
Taken
0
Weighted
186.67
183-day
73 left
SPT
Met
Full tests & slack

Calendar year — 183-day line

0 / 183183 to 183

You can spend 183 more days this year before the hard 183-day line.

Substantial presence — weighted 3 years

0 / 183183 to test

1970 × 1 + 1969 × ⅓ + 1968 × ⅙ = 0. 183 more counted days this year would meet it.

Form 8840

not needed

Form 8840 is not required — you do not meet the Substantial Presence Test.

Tests & filings

OHIP

206 / 153 home days

On track

rolling 12 months: 159 days away (assuming only Canada and the US). 53 days of slack.

Next crossing

Planned: Nov 15, 2026 – Apr 20, 2027 · Fort Myers

183 more counted days this year would meet the Substantial Presence Test. Staying under 183 calendar days still lets you file Form 8840.

Stays in 1970

All stays

No stays overlap this year yet.