Advanced planning calculator
Which fixed-date holidays overlap across two countries?
Choose two countries and a year. The tool compares reviewed fixed-date holiday references and flags matching or adjacent dates.
Included with Complete in the app. It runs in the US Expat Desk app for iPhone and iPad with Complete. This page shows how it works. Reviewed September 2026.
Public-holiday collision planner
The calculation compares only month-and-day entries held in the country registry and marks dates within one day of each other.
Included with Complete in the US Expat Desk app. Coming soon to the App Store for iPhone and iPad. Get the app.
Worked example
Canada and France are compared using the reviewed fixed-date records held in the product registry.
Result
- summary
- 1 matching or adjacent fixed-date references
- collisions
collisions
Item
- first Holiday
- New Year's Day
- first Date
- 2027-01-01
- second Holiday
- New Year's Day
- second Date
- 2027-01-01
- gap Days
- 0
How the result is worked out
The calculation compares only month-and-day entries held in the country registry and marks dates within one day of each other.
Limitations
This is not a complete holiday calendar. Confirm regional, substitute, lunar, religious, school, and employer dates with original sources.
This tool does not decide eligibility, legal obligations, document sufficiency, or official outcomes.
Sources and review
The result is deterministic and uses only the values entered. Open original sources when a planning step depends on a provider or authority.
- International Travel. U.S. Department of State. Retrieved September 22, 2026.
US Expat Desk is the trading name of Joao Vitor Humenhuk Achutti, a sole trader. Reviewed September 2026.
Common questions
Does public-holiday collision planner decide an official requirement?
No. It organizes customer-entered planning information and never decides eligibility, legal obligations, or official deadlines.
Where are my answers stored?
This calculator runs in the US Expat Desk app with Complete. Your values and saved results stay on your device. This page shows a worked example only.
Can I export the result?
Yes. A completed result can be printed and exported in the formats shown beside the result.
Related tools
- Which fixed-date holidays can you add to a planning calendar?. Choose a supported country and year. The tool exports the fixed-date planning references held in the reviewed country registry.
- What should you know before planning around a country?. Choose one supported country. The tool assembles local time, currency, calling, emergency, format, and household setup references.
- How do two supported countries compare for everyday planning?. Choose two countries. The tool compares time, currency, calling, emergency, format, measurement, driving, voltage, and plug references.
In the US Expat Desk app
Free to start. Complete costs USD 49.99 per year with a seven-day free trial, or USD 7.99 per month, through the App Store. Complete includes every advanced calculator and household capability. This website sells nothing.