Date & Time
Weekday Calculator
Find out what day of the week any date falls on. Enter a date to see if it's Monday, Tuesday, Wednesday, etc.
Day of the Week
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How It Works
The calculator converts the date to a Date object and uses the getDay() method to return the day of the week (0=Sunday, 1=Monday, etc.).
Example
July 7, 2024 is a Sunday.
Frequently Asked Questions
Why does the week start on Sunday?
This is the standard convention in JavaScript and many calendar systems. Some cultures start with Monday.
Can I use this for historical dates?
Yes, the calculator works for any date from year 1 to year 9999.
What about dates in different time zones?
The calculation is based on the date value you enter and is not affected by time zones.