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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

Thresholds

Tests & filings

Check actual days and planned bookings together: the 183-day calendar line, the weighted Substantial Presence Test, and Form 8840. Use this before you book another winter.

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
  • 2026: Form 8840 due 2027-06-15. 28 days of slack before 183.
  • 2027: Form 8840 due 2028-06-15. 73 days of slack before 183.

Substantial Presence Test for 1970

YearDaysWeightCounted
1970 (current)0× 10
19690× ⅓0
19680× ⅙0
Weighted total0

You meet the test if you have at least 31 days in 1970 and the weighted total is 183 or more. Not met yet on actual days.

Form 8840 — Closer Connection Exception

not neededDue Jun 15, 1971

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

  • You were in the US fewer than 183 days this calendar year.
  • You have a tax home in Canada and a closer connection there than to the US.
  • File with the IRS, generally by June 15 of the following year. IRS Form 8840

If I stay until…

Calendar days
0
Weighted SPT
0
183-day line
183 left
Form 8840
not needed

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

OHIPOntario

206 days in Canada / 153 required

rolling 12 months

You must be physically present in Ontario for at least 153 days in any 12-month period. Extended absences can sometimes be arranged in advance.

Home days are estimated as time not spent in the US (2025-09-22 2026-09-21). Turn off “only Canada and the US” in settings if you travel elsewhere.

Every year on the ledger

2027

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

2026

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

2025

File Form 8840
If planned
150 days
Taken
150
Weighted
190
183-day
33 left
SPT
Met

2024

Clear to book
If planned
120 days
Taken
120
Weighted
120
183-day
63 left
SPT
63 to test

2023

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2022

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2021

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2020

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2019

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2018

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2017

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2016

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2015

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2014

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2013

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2012

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2011

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2010

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2009

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2008

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2007

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2006

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2005

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2004

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2003

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2002

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2001

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

2000

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1999

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1998

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1997

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1996

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1995

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1994

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1993

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1992

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1991

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1990

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1989

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1988

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1987

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1986

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1985

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1984

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1983

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1982

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1981

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1980

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1979

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1978

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1977

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1976

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1975

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1974

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1973

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1972

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1971

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1970

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1969

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1968

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test

1967

Clear to book
If planned
0 days
Taken
0
Weighted
0
183-day
183 left
SPT
183 to test