子供の時分は、夏になるとよく川で泳いだものだ。
When I was a child, I used to swim in the river every summer.
今時分、彼はもう東京に着いているだろう。
By this time he has probably already arrived in Tokyo.
桜の咲く時分になると、この公園は花見客でにぎわう。
When the cherry blossoms come out, this park is crowded with blossom viewers.