I-94 Expiration Isn't Just a Date — It Starts the Unlawful Presence Clock That Leads to Reentry Bars

The date printed on an I-94 arrival/departure record looks like a simple expiration date. It's actually the trigger for one of the more consequential clocks in US immigration law — the accrual of unlawful presence, which can lead to reentry bars lasting years, depending on how long someone stays past that date before leaving.

The I-94 date, not the visa date, controls

A common point of confusion: a visa and an I-94 are not the same thing, and they don't necessarily expire together. A visa can remain technically valid while the I-94 admit-until date has already passed — and it's the I-94 date that controls how long someone is authorized to remain in the country on a given entry, regardless of the visa's own validity period.

Unlawful presence generally starts the day after

For someone admitted until a specific date (as opposed to "duration of status" admissions, which work differently), unlawful presence generally begins accruing the day after the I-94 admit-until date passes. From there, two thresholds matter enormously: more than 180 days of accrued unlawful presence, followed by departure, triggers a 3-year bar on reentry. A full year or more, followed by departure, triggers a 10-year bar.

The bar is triggered by departure, not by hitting the day count

This is a detail worth sitting with: someone who overstays past 180 days but never leaves the country has not yet triggered the reentry bar on that basis alone — the bar attaches specifically to departing after having accrued that much unlawful presence. That doesn't mean staying is safe (remaining out of status carries its own serious consequences), but it does mean the reentry-bar clock and the "am I currently out of status" question are related but distinct issues.

"Duration of status" is a different system entirely

F-1 students and J-1 exchange visitors admitted for "duration of status" (D/S) don't have a fixed I-94 expiration date, and unlawful presence for them typically doesn't begin accruing until a formal finding by USCIS or an immigration judge — a meaningfully different trigger than the fixed-date calculation this tool performs. If your I-94 says D/S rather than a specific date, this calculator's math does not apply to your situation.

Know your specific dates well before they matter

The I-94 Expiration & Unlawful Presence calculator takes your I-94 admit-until date and projects both the 180-day and 1-year unlawful-presence thresholds that follow it. Given how consequential a multi-year reentry bar is, and how many exceptions and waiver possibilities exist around it, treat any date from this tool as a starting point for a conversation with an immigration attorney — not a final answer.