Date Utilities

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Day of
Week
Day Month Year
(4-digit)
Calendar
Date 1
Julian Day (after noon) Modified Julian Day
Easter Day (for years after 1752)
Leap Year  
Difference ± Days or Solar Years
Date 2
Julian Day (after noon) Modified Julian Day
Calculation is automatic 5 seconds after input or click Calculate.
For help, hover cursor over fields to show tooltips.