Date & Time
Weekday Calculator by date Time Calculator
Find years when a selected date falls on a chosen weekday. Enter the date or time values, choose the format, then review the result.
This tool runs open-source code from OmniTools (MIT License). See open-source credits.
Weekday Calculator by date Time Calculator lists dates matching a chosen month, day, weekday, and year range.
It returns only valid matching dates and a match count. The operation runs in your browser. Processing runs in the browser.
Instructions
- Provide text or data for this tool.
- Choose month, day, and weekday.
- Set an inclusive year range.
- Review leap-day matches separately.
Example
Input: Month: February; day: 29; weekday: Thursday; years: 2000-2030
Settings: Weekday Calculator by date Time Calculator: Start year: 2000; end year: 2030.
Result: It returns only valid matching dates and a match count. The operation runs in your browser.
Limits
- Weekday Calculator by date Time Calculator: Years must be from 1 through 9999.
- Weekday Calculator by date Time Calculator: The start year cannot exceed the end year.
- Weekday Calculator by date Time Calculator: Invalid month-day combinations produce no valid dates.