Your memory keeps the highlights, not a minute-by-minute recording.
That helps explain why a childhood summer can feel enormous while last month seems to have vanished. First experiences give you distinct moments to look back on; familiar weeks can blur together. This is one explanation, not a rule about getting older: attention and emotion matter too. Try naming three moments from last month. The ones that stand out are clues to what made that time memorable. A different walk or a new skill might give this week a few more landmarks.
General information, not a personal assessment. Explore the related articles and sources below.
What do people do to make time feel slower again?
Give your attention something worth noticing: take a different route, learn a small skill, or write down one vivid detail tonight. These are ways to make a day more memorable, not a promise to slow your internal clock. Start with something enjoyable enough to repeat.