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Custom Date Calculator/Generator
This custom date calculator tool allows you to calculate/generate dates based on a variety of input parameters, such as year, month, weekday, etc. The output can be the date for a single year (1582 to 2500), or dates for a range of years from 1582 to 2500. The calculator uses the Gregorian calendar. If you are simply looking for common dates, please use our Date Calculator - Holidays, Observances, Celebrations, Historical, National, International, and Other Key Dates.
Below are some examples of how this custom date calculator can be used. Click to automatically select settings and generate dates.
For Year:  


Range of Years:   From to


Day of the Month

Day of the Week

Date Format



Posted: Sunday, August 27, 2023