Looking up...
昔はもっと忙しかった
I was much busier in the past
A time in the past, often referring to a distant or nostalgic period
昔話を聞かせてください
Please tell me a story from the past
Often used to evoke nostalgia or contrast with the present
Often used to contrast with the present, sometimes with a sense of longing
From Old Japanese 'mukasi', meaning 'long ago'
Can be used both literally to refer to past times and figuratively to evoke nostalgia