Roman numeral date to normal date
Paste a Roman numeral date from an engraving, tattoo or card and pick its order to see the actual date.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter roman numeral date and order.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
The text is split at separators (dot, hyphen, space, slash, bullet) into 3 parts, each part is read as a Roman numeral, and the day is checked against that month in the Gregorian calendar.
Example
Inputs: Roman numeral date = XXV.XII.MCMXCIX, Order = Day, month, year. Result: Date: Saturday, December 25, 1999 (1999-12-25); Weekday: Saturday; Month: December.
Limits and caveats
- The order cannot be inferred from the text: V.VI.MMXXVI means 5 June or 6 May depending on the order you pick.
- Weekdays use the Gregorian calendar, even for very old dates.
Questions about this tool
What does XXX.IX.MMXXVI mean?
In day-month-year order it is 30 September 2026, a Wednesday.
What if I get a month does not exist error?
The date is probably in US order; switch the order to month then day.
Are spaces and hyphens accepted?
Yes. Dots, hyphens, spaces, slashes and bullets all work as separators.