Date format converter — ISO, US, UK and localized dates
Turn an unambiguous ISO date into US, UK, dotted European and localized written formats, with Thai Buddhist Era conversion.
Preparing your tool…
How it works
Enter YYYY-MM-DD in the Gregorian calendar. Numeric formats are labeled by component order. Written dates use the specified locale and UTC, so the device zone cannot shift the date.
Example
2027-04-03 becomes 04/03/2027 in US order and 03/04/2027 in UK order. The underlying date is 3 April, not 4 March.
Can I paste 03/04/2027?
Use 2027-04-03 instead. Slash dates are ambiguous without a format choice, so this tool does not guess. BE conversion uses the modern Gregorian year +543 convention.