Julian Date Calculator

Convert between Julian Day Numbers and Gregorian calendar dates.

Conversion Settings

About Julian Dates

The Julian Day Number is a continuous count of days since the beginning of the Julian Period (January 1, 4713 BC). It is used in astronomy and other sciences for easier date calculations across different calendar systems.

Conversion Result

Gregorian Date
Thursday, May 28, 2026 at 12:00 PM
Julian Date (JD)
2461189.00000

Additional Formats

Modified Julian Date (MJD)61188.50000
Julian Day Number2461189

Reference Dates

J2000.0 EpochJD 2451545.0
Unix Epoch (Jan 1, 1970)JD 2440587.5
MJD Epoch (Nov 17, 1858)JD 2400000.5
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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.