짠과 쭌이 함께하는 시계바느질

We built the most enjoyable way for a child to learn to read an analog clock for the first time.

And we added a play mode, so parents can join in too.

Main features

Learn the analog clock
• Drag the hands to set the time yourself
• Switch between 1–12 numbers and 5-minute markings
• Analog and digital stay in sync, live
• Learn AM/PM and the 24-hour clock side by side

Spoken time
• Hear "twenty-five past three in the afternoon" read aloud
• Every time on the clock can be spoken

Four quiz levels
• Seed → Sprout → Bud → Fruit
• Difficulty adjusts to the child's level automatically
• Hints when they get stuck
• Track accuracy and progress over time

⏰ Daily routine alarms
• 12 presets: wake up, school, lunch, homework, bedtime and more
• Real alarms build a real sense of time
• Repeat on weekdays or weekends

Jjan and Jjun cheer along
• Encouraging lines from two friendly characters
• A celebration animation for every right answer
• Learning companions, every step of the way

Who it's for
• Children aged 5 to 8 learning to read a clock for the first time
• First and second graders covering clocks in maths
• Parents who want to teach their child about time

Free to start — become a clock master with Jjan and Jjun!