数小时

• 娄(many times; piled up)PHONO-SEMANTIC
• 攵(tap; hand motion)RADICAL

Counting numbers is using your hand to tap repeatedly many times in order to calculate.

• 小(small; tiny)ASSOCIATIVE

Three tiny strokes represent fine grains of sand, conveying the meaning of "small" or "tiny."

• 日(sun; day)RADICAL
• 寸(inch; unit of measurement)PHONETIC

Time flows like the sun moving inch by inch across the sky.