Random Time Generator

Generate random times in 12-hour or 24-hour format

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Free Random Time Generator - Generate Random Times in 12 or 24-Hour Format

Why Use Our Random Time Generator?

Our free random time generator creates realistic random times for testing, scheduling simulations, and data generation. Support for both 12-hour (AM/PM) and 24-hour (military) formats. Generate up to 20 random times at once for your projects ⏰

Perfect for developers, QA testers, schedulers, and educators who need random time values for testing applications, creating sample data, or educational demonstrations.

Key Features

  • Dual Format - 12-hour or 24-hour display
  • Bulk Generation - Up to 20 times at once
  • Full Precision - Hours and minutes included
  • Copy All - Export instantly
  • Large Display - Easy to read format
  • No Registration - Completely free

Time Format Options

24-Hour Format (Military Time)

The 24-hour clock format runs from 00:00 (midnight) to 23:59. Also known as military time or international standard time.

Examples: 00:00, 08:30, 14:45, 23:59

12-Hour Format (AM/PM)

The 12-hour clock format uses AM (ante meridiem) for morning and PM (post meridiem) for afternoon/evening.

Examples: 12:00 AM, 8:30 AM, 2:45 PM, 11:59 PM

How to Generate Random Times

  1. Select Format - Choose between 24-hour (23:45) or 12-hour (11:45 PM) format based on your needs.
  2. Set Count - Specify how many random times to generate (1-20).
  3. Generate - Click "Generate Times" to create random time values.
  4. View Results - Each time is displayed in large, easy-to-read format.
  5. Copy All - Use the "Copy All" button to export all times at once for your project.

Common Use Cases

Software Testing

Test time input fields, scheduling features, and time validation in applications. Generate edge cases and realistic test data.

Database Seeding

Populate test databases with realistic time values for appointments, schedules, timestamps, and time-based records.

Schedule Simulation

Create mock schedules for meetings, events, or appointments. Test scheduling algorithms and calendar features.

Sample Data

Generate time values for spreadsheets, reports, presentations, or demonstrations requiring realistic-looking times.

Education

Teach time format conversion, create practice problems for students learning to read clocks and tell time.

API Testing

Generate random time values for testing time-based API endpoints, webhooks, and scheduled tasks.

Time Format Conversion Guide

12-Hour Format 24-Hour Format Time of Day
12:00 AM 00:00 Midnight
6:00 AM 06:00 Morning
12:00 PM 12:00 Noon
3:30 PM 15:30 Afternoon
6:45 PM 18:45 Evening
11:59 PM 23:59 Late Night

Understanding Time Formats

12-Hour Clock: Used primarily in the United States, Canada, Australia, and the Philippines. Divides the day into two 12-hour periods with AM (ante meridiem - before noon) and PM (post meridiem - after noon) designations.

24-Hour Clock: Used by most countries worldwide and is the international standard (ISO 8601). Military, aviation, computing, and scientific communities prefer this format for its clarity and lack of ambiguity.

Converting: To convert from 12-hour to 24-hour, add 12 to PM hours (except 12 PM). To convert from 24-hour to 12-hour, subtract 12 from hours 13-23 and add PM.

Pro Tip: When testing applications, generate times in both formats to ensure your app handles both correctly. For international applications, prefer 24-hour format to avoid AM/PM confusion. Test edge cases like 00:00 (midnight), 12:00 (noon), and times near day boundaries. When creating schedules, generate multiple times and sort them to create realistic timelines. For database testing, combine random times with random dates for complete timestamp generation. Remember that military time (24-hour) eliminates the ambiguity of 12:00 AM vs 12:00 PM!