Date & Time Calculator
Weekday Calculator
Find the day of the week for any selected date.
⚠️ Please select a date.
Day of the Week
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Calculator guide
How this calculator works
How to use this calculator
Select any date, then click Find Weekday. The calculator tells you which day of the week the date falls on.
Formula used
The calculator uses the calendar date to determine the weekday according to the browser’s date system.
Example calculation
January 1, 2026 falls on a Thursday.
What the result means
The result shows the weekday name for the selected calendar date.
Frequently asked questions
Can I check future dates?
Yes. You can select past or future dates.
Does this depend on time zone?
The calculator uses the selected calendar date, not a specific time of day.
Can I use it for birthdays?
Yes. It can show which weekday a birthday, anniversary, or event date falls on.