Dates in October
October Dates in Roman Numerals
October is month 10, so it is written X in a Roman numeral date. Choose a year and day to open the complete Date Page.
Month numeral
XOctober is month 10Browse October dates
Choose a day in October 2026
Select a year and day, then open the permanent Date Page for that conversion.
Compare formats
October 8, 2026 in different date orders
Each line represents the same date. Only the order of the month, day and year changes.
Understanding the month
What X means in a date
The labels and date order tell you whether X is being used as the month.
X means 10
It represents October only when the surrounding date format identifies it as the month.
Use a clear date format
Keep the ordinary date with the Roman result when it will be printed, engraved or used permanently.
Need to know
Common questions about October dates
How October is written, how many days it has and how to browse another year.
How is October written in Roman numerals?
October is the 10th month, so its month number is written X in Roman numerals.
Does X always mean October?
No. X always represents the number 10. It represents October only when the date order or surrounding label identifies it as the month.
How many days are in October?
October has 31 days in 2026. The calendar above prevents links to impossible dates.
Can I browse October dates in another year?
Yes. Change the year in the calendar. The selection updates the permanent Date Page link without creating another indexable Month Hub URL.