Random Date Generator

Generate random dates within any range

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Free Random Date Generator - Generate Random Dates Within Any Range Online

Why Use Our Random Date Generator?

Our free random date generator creates random dates within any specified range for testing, simulations, and data generation. Flexible date range selection with default 30-day window. Generate up to 20 random dates at once with both ISO format and human-readable display 📅

Perfect for developers, QA testers, data analysts, and researchers who need random date values for testing applications, creating sample datasets, or conducting simulations.

Key Features

  • Custom Range - Any start and end date
  • Smart Defaults - Today + 30 days preset
  • Dual Format - ISO and readable format
  • Bulk Generation - Up to 20 dates at once
  • Copy All - Export instantly
  • No Registration - Completely free

How to Generate Random Dates

  1. Set Start Date - Choose the earliest possible date (defaults to today).
  2. Set End Date - Choose the latest possible date (defaults to +30 days).
  3. Specify Count - Enter how many random dates to generate (1-20).
  4. Generate - Click "Generate Dates" to create random dates within your range.
  5. View Results - Dates shown in both ISO format (YYYY-MM-DD) and readable format.
  6. Copy All - Export all dates in ISO format for use in your projects.

Common Use Cases

Software Testing

Test date input validation, date pickers, scheduling systems, and date range filters with realistic random dates.

Database Seeding

Populate test databases with realistic date values for birth dates, registration dates, event dates, or timestamps.

Data Analysis

Generate sample date ranges for testing analytics dashboards, time-series analysis, and trend visualization.

Event Planning

Create mock event schedules, appointment dates, or project timelines for demonstrations and prototypes.

Sample Data

Generate realistic dates for spreadsheets, presentations, reports, or documentation requiring date examples.

Date Math Testing

Test date calculation functions, age calculations, duration computations, and date difference algorithms.

Date Format Information

ISO Format (YYYY-MM-DD)

The ISO 8601 date format is the international standard for representing dates. It's unambiguous, sortable, and universally recognized.

Examples: 2025-01-15, 2025-12-31, 2026-06-20

Readable Format

Human-friendly date format with full month name for easy reading and understanding.

Examples: January 15, 2025, December 31, 2025, June 20, 2026

Technical Details

  • Random Distribution: Dates are uniformly distributed across your specified range with equal probability.
  • Inclusive Range: Both start and end dates are included in the possible results.
  • Default Range: Automatically sets to today through 30 days in the future for convenience.
  • ISO 8601 Standard: All generated dates follow the international standard format (YYYY-MM-DD).
  • Validation: Ensures end date is not before start date for valid date ranges.
  • Time Zone Independent: Generates calendar dates without time zone considerations.

Practical Examples

Testing Birth Date Input

Set range from 1950-01-01 to 2010-12-31 to generate realistic birth dates for adult users. Test age validation and date picker limits.

Upcoming Events

Use default range (today + 30 days) to generate dates for upcoming events, appointments, or deadlines in your scheduling app.

Historical Data

Set range to past dates (e.g., 2020-2024) to generate historical transaction dates, registration dates, or log timestamps.

Project Timeline

Generate milestone dates across a project duration (e.g., 6-12 months) to create realistic project schedules and Gantt charts.

Why ISO 8601 Format?

The ISO 8601 format (YYYY-MM-DD) offers several advantages:

  • Sortable: Dates in this format sort correctly alphabetically and numerically
  • Unambiguous: No confusion between day and month (unlike MM/DD/YY or DD/MM/YY)
  • International: Recognized and used worldwide, avoiding regional format issues
  • Database Friendly: Preferred by SQL databases and most programming languages
  • No Localization: Works consistently regardless of user location or language
Pro Tip: When testing date inputs, generate dates across leap years (divisible by 4) to test February 29th handling. For birth dates, use a range ending 18+ years ago to ensure legal age requirements. Test edge cases like year boundaries (December 31 / January 1) and month boundaries. When creating timelines, generate multiple dates and sort them to ensure chronological order. For database testing, combine random dates with random times for complete timestamp generation. Remember that date-only values (no time) represent midnight (00:00) in most systems. Use the ISO format for data storage and the readable format for user display!
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