時間マスター

"Time Master" is a simple time perception game where you measure target time using only your own sense of time, without looking at a clock.

How to play:

1. Select a target time from 10 seconds, 30 seconds, 1 minute, or 5 minutes.

2. Press "Start" for a 3-second countdown.

3. Experience the time without looking at a clock.

4. Press "End" when you think you've reached the target time.

After measurement, you can check the actual time, the difference from the target time, the accuracy rate, and your evaluation.

[Main Features]

• 10-second, 30-second, 1-minute, and 5-minute perceived time challenges

• 3-second countdown before starting

• Completely hides elapsed time and remaining time during measurement

• Displays actual time to 4 decimal places

• Clearly displays times that were ahead or behind

• Displays accuracy rate and evaluation

• Saves personal bests for each target time on your device

• Changing measurement messages each time

• No user registration or login required

• Simple, large, and easy-to-use interface

Enjoy challenges ranging from short 10-second challenges to 5-minute challenges that require concentration.


How accurate is your internal clock?

Let's challenge ourselves to become time masters!