Free Form N-400 date calculator
When can I apply for citizenship?
Enter the date on your green card and the trips you have taken since. You get the first day you can send Form N-400, counted the way USCIS counts, and the trip list the form asks for.
Your N-400 trip list
| Left the U.S. | Came back | Where | Days outside |
|---|---|---|---|
| Total days outside | |||
Coming to iPhone
Finally, a way to list five years of trips without a spreadsheet.
Citizenship Date for iPhone will find likely trips in your photos and calendar for you to check, log new trips as you travel, and print the list the way the N-400 asks for it.
Questions people ask
How does the calculator find my date?
It checks three timing rules for each day, starting with the earliest possible one, and shows you the first day that meets all three.
- Time as a permanent resident. 5 years, or 3 on the marriage path. You may file up to 90 days before you reach it.
- Physical presence. At least 913 days in the U.S. in the 5 years before you file, or 548 days in 3 years on the marriage path.
- Continuous residence. No single trip of more than 6 months inside that period.
Sources: USCIS Policy Manual, Volume 12, Part D, Chapter 3, Chapter 4 and Chapter 6.
Do the days I leave and come back count as days in the U.S.?
Yes. USCIS counts the day you leave and the day you return as days in the United States. A trip from June 1 to June 10 is 8 days outside.
I was outside the U.S. for more than 6 months. Can I still apply?
A trip of more than 6 months but less than a year makes USCIS presume you broke your continuous residence. You can still apply if you show you kept your ties here: you kept your U.S. job, your immediate family stayed here, you kept your home here, and you did not take a job abroad.
When this applies, the calculator shows two dates. The earlier one needs that proof. The later one is when the trip falls out of the period and the question goes away.
What if I was gone for a year or more?
An absence of a year or more breaks continuous residence. On the 5 year path you can apply again 4 years and 1 day after you came back if you can overcome the presumption, or about 4 years and 6 months after you came back without it. On the 3 year path it is 2 years and 1 day, or about 2 years and 6 months. The calculator works these dates out for you.
Some people working abroad for the U.S. government or certain U.S. employers can protect their residence ahead of time with Form N-470.
Can I really file 90 days early?
Yes. USCIS accepts Form N-400 up to 90 days before you reach 5 years as a permanent resident, or 3 years on the marriage path. The 90 days do not shorten the 3 years of marriage. You need those in full before you file.
Sources: USCIS Policy Manual, Volume 12, Part D, Chapter 6 and Part G, Chapter 3.
Which trips go on the N-400?
The form asks for every trip outside the United States that lasted 24 hours or more during the last 5 years. The calculator builds that list from what you enter. You can download it or print it.
Where do I find the dates of old trips?
Airline emails, boarding passes, card statements and the photos on your phone are the usual sources. Passport stamps help with older trips, but CBP no longer stamps passports as a routine.
The I-94 website does not show travel history for green card holders. A FOIA request to U.S. Customs and Border Protection returns the government’s own record of your entries and exits. It takes several weeks, so ask early.
Is the date the only thing I need?
No. You also need to have lived for 3 months in the state or USCIS district where you file, show good moral character, and pass the English and civics tests. This calculator only checks the dates.
Is what I type here private?
Yes. The math runs in your browser. Your dates are saved on this device so you can come back to them, and they are never sent to us. Use “Clear everything” to remove them.