Date & Time
Day of Week Calculator
Find the day of the week for any date directly in your browser. Check whether a date is Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday.
Tool
Find the day of the week for any date directly in your browser. Check whether a date is Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free day of week calculator to check the weekday for any date. Enter a past or future date and instantly see whether it falls on a Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday.
Conversion Formula
Examples
- Find what day of the week your birthday falls on this year
- Check whether 2026-12-24 is a weekday or weekend day
- Find the weekday for a historical or future date
Frequently Asked Questions
What is a day of week calculator?
A day of week calculator tells you which weekday a selected date falls on.
Can I use it for future dates?
Yes. You can calculate the weekday for dates in the past, present, or future.
Does it show weekends?
Yes. The result can indicate whether the selected date is a weekday or a weekend day.
Does the result depend on time zone?
For normal calendar dates, the weekday is based on the selected date. Time-zone-specific date changes only matter when converting exact times between time zones.