Find Day of the Year

Need to figure out what day of the year a specific date falls on? The Find Day of the Year tool instantly tells you the ordinal day number for any calendar date like “May 18th, 2025” becoming “Day 138 of 2025.” It’s perfect for analytics, journaling, programming, or educational use when day-count precision matters.

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Supported file types: .txt, .csv, .log, .json, .md, .xml, .html
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How to Use:

  1. Enter one or more calendar dates in YYYY-MM-DD format into the input box.
  2. You can also use the Choose File button to import a list of dates from a supported text file.
  3. The tool will instantly display the day of the week for each date (e.g., “Sunday”, “Wednesday”).
  4. Use Copy Output or Export to File to save the results.
  5. Click Clear All to reset and start over.

What Find Day of the Week Tool can do:

This tool takes each valid calendar date and converts it to the correct weekday name. It processes multiple lines at once and can handle imported lists of dates for faster workflow. Perfect for spreadsheet tasks, research, or generating readable date summaries.

Example:

Input:

2024-12-25
2000-01-01
2025-05-18
1999-07-04

Output:

Wednesday
Saturday
Sunday
Sunday

Common Use Cases:

Use this tool to identify weekdays for event planning, anniversary tracking, content scheduling, or any data sorting based on the day of the week. It’s also helpful for teachers, admins, and anyone working with time-based records.

Useful Tools & Suggestions:

To place that number in context, Find Day of the Week tells you what weekday it lands on. And if you’re tracking progress, Find Days Till the End of Year shows how much is left on the clock.

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