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Random Time Generator

Generate random times of day in 12h or 24h format — great for fixtures, seeds, and test data

Count:
Format:
Generated output

Output will appear here...

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What is Random Time Generator

Written by Giorgos Kostas. Last reviewed:

Random Time Generator mints random times of day. Pick between 24-hour (`HH:MM:SS`) and 12-hour (`h:MM:SS AM/PM`) output.

Great for seeding schedules, populating calendar mocks, and generating fixtures for time-based features.

Why use it

  • Seed calendar and reminder mocks.
  • Fixture tests for time-based logic.
  • Generate schedule-grid placeholders.
  • Populate report filters with sample times.
  • Stress-test time-zone conversions.

Features

  • 12h and 24h formats
  • HH:MM:SS precision
  • Up to 1,000 times per batch
  • Newline-delimited output
  • Local-only Random Time processing keeps data in-browser

How to use Random Time Generator

  1. Pick format. 12h or 24h.
  2. Set count. Up to 1,000 times.
  3. Run. Copy the list.

Example (before/after)

Input

4

Output (24h, count=4)

07:42:15
14:05:38
23:17:09
09:58:21

Common errors

Ambiguous 12h format

12:00 AM vs PM confuses some systems.

Fix: Prefer 24h output for machine parsing.

No date

This tool emits time-of-day only.

Fix: Combine with Random Date Generator for full timestamps.

FAQ

Which formats are supported?

24h (HH:MM:SS) and 12h (h:MM:SS AM/PM).

Does it include dates?

No — use Random Date Generator for dates or combine the two.

Is each second equally likely?

Yes — H, M, S are each sampled uniformly.

How many per batch?

Up to 1,000 times.

Is input uploaded?

No — each HH:MM:SS tuple is sampled locally in your browser.

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