Numbers on food packaging. Strange date codes in business software. Astronomical calculations needing precise day counts. All of these involve Julian dates—a system for representing dates that looks nothing like the familiar "January 15, 2026" format most people use. When you encounter a code like "114001" or "26007" and need to know what actual calendar date it represents, or when you need to convert a regular date into Julian format for a system that requires it, you need a Julian date converter. This complete guide explains what Julian dates are, why multiple systems use them, how conversion works, and how to avoid the mistakes that lead to wrong dates and confusion. What Is a Julian Date Converter? A Julian date converter is a tool that translates between Julian date formats and standard calendar dates (Gregorian calendar). The converter handles the mathematical calculations needed to transform codes like "26007" into readable dates like ...