used to say that something is happening at the same time with another

〜する時 (〜する とき), 〜と同時に (〜とどうじに)

used to indicate that two things happen at the same time or during something else

〜の時に, 〜する時

used to indicate a period of time during which an action takes place or a state of affairs exists, often denoting simultaneous or concurrent events

〜の間に (〜のあいだに), 〜している間 (〜しているあいだ)

used to denote a continuous period of time starting from a particular event or point in the past and continuing until the present or a specified time

以来, それ以来

used to express that something happens at the same time or right after another thing

~するとすぐに, ~したら

used to describe a duration or period of time during which something happens or continues to be true

...する限り, ...している間

used to describe a duration or period of time during which something happens or continues to be true

〜の間は(あいだは), 〜限り(かぎり)

used to indicate a point in time before which an action or event has occurred or will occur

〜する頃には (suru koro ni wa), 〜する時までに (suru toki made ni)

used to emphasize the present moment in relation to the topic under discussion

この時点では, 現時点では

used to express the idea of something happening or being done at the appropriate or necessary times

必要に応じて, 必要時に

used to indicate simultaneous action to show that one action or situation occurs at the same time as another

〜する一方で, 〜しながら

