Calendar
Julian Gregorian Converter
Convert dates between Julian and Gregorian calendars with accurate JDN-based calculation.
Julian and Gregorian Converter
Convert dates accurately between Julian and Gregorian calendars.
Source calendar
Source (Gregorian)
2026-02-12
Converted (Julian)
2026-01-30
Julian Day Number (JDN)
2461084
FAQ
What does this tool do? Julian Gregorian Converter?
It transforms a date from Julian to Gregorian or vice versa and shows the Julian Day Number.
Is my data uploaded?
No. All data is processed locally in your browser and is not uploaded.