timer

JrTimer

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JrTimer

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Scramble

Loading scramble...

0:00

.00

touch_app PRESS SPACE TO START

Ao5

Ao12

Best

Ao100

🏆 Session Best

emoji_events

Quick Stats

Best Ao5

Best Ao12

Best Ao100

Ao5

Ao12

Best

Ao100

analytics 成績分析

總計次數

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最佳單次

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Ao100

-

標準差

-

bar_chart 時間分佈

trending_up 進步趨勢

show_chart Ao5 / Ao12 趨勢

Best Ao5

Best Ao12

Best Ao50

Current Ao5

Current Ao12

history 最近成績點擊編輯或刪除

#	時間	打亂	日期	操作
載入中...

3x3 One-Handed (OH) Speedcubing Guide

Practice single-hand fingertricks, table pushing, and ergonomic OH algorithms with JrTimer.

JrTimer — Professional Rubik's Cube & Speedcubing Timer

JrTimer is a free, professional online Rubik's Cube timer with official WCA scrambles, Ao5/Ao12 statistics, 2D/3D cube visualization, Stackmat support, and PWA offline capability.

This application requires JavaScript to run. Please enable JavaScript in your browser to use JrTimer.

Key Features

WCA scrambles for all events: 2x2, 3x3, 4x4, 5x5, 6x6, 7x7, Megaminx, Pyraminx, Skewb, Square-1, Clock
Ao5, Ao12, Ao50, Ao100 session statistics with personal best tracking
Stackmat timer support via microphone input
15-second WCA inspection with voice alerts
Dark mode and multiple visual themes
Multi-language: English, 繁體中文, 日本語, 한국어, Español, Deutsch, Français
Works offline as a PWA — install on any device

JrTimer

0:00

analytics 成績分析

-

-

-

-

bar_chart 時間分佈

trending_up 進步趨勢

show_chart Ao5 / Ao12 趨勢

history 最近成績 點擊編輯或刪除

尚無成績記錄

settings Settings

外觀設定

計時器設定

實用工具

External Timer (Stackmat)

資料管理

編輯成績

shuffle 打亂公式詳情

3x3 One-Handed (OH) Speedcubing Guide

history 最近成績點擊編輯或刪除