Day of the Week Calculator
Find the weekday for any date plus its ordinal day and the days remaining in that year.
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Knowing the weekday of a date helps with historical research, birthday planning, archival records, and future schedules. Looking it up manually becomes awkward across leap years.
Enter a Gregorian calendar date and the calculator displays its weekday in your interface language. It also shows the date’s ordinal position within the year.
The remaining-day count accounts for leap years automatically. Calendar values are evaluated in a neutral time basis so the answer cannot shift with your local time zone.
The calculation is instant and entirely offline.