Generate Equal Y-M-D Dates

Need a quick way to generate dates like 2020-02-02 or 1999-09-09 where the year, month, and day all match? The Generate Equal Y-M-D Dates Tool makes it effortless to create a custom-sized list of equal-value calendar dates. Whether you’re building test datasets or exploring patterns, this tool helps you generate uniform Y-M-D entries with flexible formatting and options.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .log, .json
Total items: 0
Options
Pad with zeroes
Shuffle output

How to Use:

  1. Enter how many matching dates you want into the Input Quantity box (e.g., 10).
  2. Or, use Choose File to import a number from a text-based file.
  3. Use the Options section to customize the results:
    • Select the Date Format: YYYY-MM-DD, Y-M-D, or YYYYMMDD.
    • Toggle Pad with zeroes for cleaner formatting.
    • Enable Shuffle output to randomize the list.
  4. The output will update live in the Equal Y-M-D Dates box as you type or change options.
  5. Click Copy Output or Export to File to save your results.
  6. Hit Clear All to reset everything and start over.

What Generate Equal Y-M-D Dates Tool Can Do:

This tool produces date strings where the year, month, and day are all equal, like 2000-00-00, 2022-22-22, or 0303-03-03, depending on format. It lets you customize output padding, select different formats, and shuffle the results on the fly. Everything updates in real time, so you can quickly test formats or inspect output for patterns.

Example:

Input:

5

Output:

0001-01-01
0002-02-02
0003-03-03
0004-04-04
0005-05-05

Common Use Cases:

Whether you’re developing a calendar-based system, testing edge cases in a date parser, or just experimenting with uniform dates for simulations, this tool gives you a fast way to generate them. It’s useful for QA scenarios, formatting consistency tests, data visualization setups, or simply generating curious sets of Y-M-D patterns for exploration.

Useful Tools & Suggestions:

Try Generate Palindromic Calendar Dates if you’re exploring patterns it’s a fun way to see symmetrical setups across years. And for a more structured spread, Generate a Date Sequence lets you line things up cleanly, especially if you’re comparing ranges or syncing timelines.

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