YOU SAID:

When my wife's boyfriend finds me playing call of duty past 9:00 P.M., which is my bedtime.

INTO JAPANESE

妻のボーイフレンドが、私が就寝時間である午後9時過ぎに私に電話をかけているのを見つけたとき。

BACK INTO ENGLISH

When I found my wife's boyfriend calling me just after bedtime at 9pm.

INTO JAPANESE

午後9時の就寝直後に、妻のボーイフレンドから電話がかかってきた。

BACK INTO ENGLISH

Shortly after going to bed at 9 pm, my wife's boyfriend called me.

INTO JAPANESE

午後9時に就寝してまもなく、妻のボーイフレンドから電話がありました。

BACK INTO ENGLISH

Shortly after going to bed at 9 pm, my wife's boyfriend called me.