on one's own time meaning

• [American idiom]
  not while one is at work.
  • The boss made me write the report on my own time. That's not fair.
  • Please make your personal telephone calls on your own time.
  
• 
  [American slang]
  not while one is at work.
    The boss made me write the report on my own time. That's not fair.
    Please make your personal telephone calls on your own time.

• "on one's own time" meaning in Chinese: na. 在规定工作时间以外
• "on one's own time" meaning in Japanese: 自分の暇なときに、賃金の支払いなしに、労働時間外に
• "on one's own time" meaning in French: sur son temps