Originally published 2016-01-09.
Almost everyone over thirty has said it: where did the year go? Summers that felt endless at ten now seem to vanish in a few weekends, and the holiday decorations appear in shops before autumn has properly begun. Clocks have not sped up, of course. What changes is how our minds measure and remember the time we live through.
The short answer is that time feels faster with age mainly because adult life contains fewer new experiences, so there are fewer distinct memories to mark each period; looking back, a routine year seems compressed. A simple proportional effect, where each year is a smaller slice of the life you have already lived, probably adds to the feeling. The good news is that the first part is something you can change.
Two kinds of time: living it and remembering it
Psychologists separate how long something feels while it is happening from how long it seems afterwards. A busy afternoon in a new city may race by in the moment, yet in memory it feels long because it left behind many vivid scenes. A dull week of identical commutes can drag while you are in it, then shrink to almost nothing when you try to recall it.
The sense that "the years are flying" is mostly about the second kind, remembered time. When we judge how long ago something happened, or how much happened this year, the brain seems to lean on how many distinct memories it can find. Fewer memories, shorter year.
Why routine makes years shrink
Children meet a constant stream of firsts: first day at school, first trip without parents, first friendship lost. Each one demands attention and gets stored in rich detail. Adults, by contrast, repeat much of the same day. Through a process known as neural adaptation, the brain gradually stops paying close attention to familiar things, and they leave fewer new memories behind. This idea is sometimes called the habituation hypothesis.
William James described it well in his 1890 Principles of Psychology. As routine takes over, he wrote, "the days and weeks smooth themselves out in recollection to contentless units, and the years grow hollow and collapse." He blamed "emptiness, monotony, familiarity" for making time seem to shrivel, and that view still fits much modern research.
Memory studies point the same way. Adults over forty tend to recall a disproportionate number of events from roughly age 10 to 30, a pattern known as the reminiscence bump. Those years are packed with novel milestones, from leaving home to starting a career, and novel events receive more processing and are easier to retrieve later.
The proportional theory and other explanations
In the 1870s the French philosopher Paul Janet suggested that a period of time feels shorter as it becomes a smaller fraction of the life lived so far. To a five-year-old, a year is a fifth of everything they have known; to a fifty-year-old, it is a fiftieth. William James quoted Janet's rule in his textbook but argued that, although it roughly describes the experience, it cannot be a basic law of the mind. Later mathematical versions, such as Lemlich's models from the 1970s, tried to refine the idea, and some survey data fit them loosely.
Biology may also play a part. Dopamine is involved in the brain's timing systems, and dopamine activity declines with age, so some researchers think the internal clock itself may run differently in older adults. This remains debated, and the effects in laboratory tasks are modest.
A third effect concerns memory for dates. People tend to place distant events too recently, a bias called forward telescoping, first described in survey research by statisticians John Neter and Joseph Waksberg in 1964. If your wedding or a friend's death feels like it happened five years ago when it was really ten, the gap between feeling and calendar can be startling, and it adds to the sense that life is accelerating.
Myths about time speeding up
A few popular claims need correcting. Time is not literally faster for older people; a minute is a minute at every age, and in some short laboratory tasks age appears to make little difference to how long an interval seems. Nor is the effect purely about age. Someone who changes job, moves country or has a baby at forty-five may find that year feels long and full, while a twenty-five-year-old in a monotonous routine can feel time slipping away. And busy is not the same as new: a packed calendar of familiar tasks still blurs together in memory.
How to make time feel longer
If remembered time depends on fresh, distinct experiences, the practical remedy is to create more of them. Small changes count, and none of them requires a big budget.
Add novelty on purpose. Take a different route, cook a dish you have never tried, visit a part of your town you do not know or learn a skill that makes you a beginner again. New settings force attention, and attention builds memories.
Seek out awe. In a 2012 study published in Psychological Science, Melanie Rudd, Kathleen Vohs and Jennifer Aaker found that people led to feel awe, for example by vast natural scenes, reported feeling they had more time available and were less impatient. Nature, art and live music are easy ways in.
Do one thing at a time. Switching rapidly between tasks splits attention and weakens memory formation, so a day spent multitasking can leave little behind. Giving one activity your full attention makes it more likely to be remembered.
Mark the days. Keeping a short journal, taking a daily photo or naming one new thing each evening gives your memory more anchors. Looking back over them later makes the year feel fuller.
Protect unhurried time. Writing in Fast Company, psychologist Ron Friedman pointed to studies linking a sense of being "time-rich" with greater happiness and better sleep. Slowing down in the moment, even for a few minutes, can change how rushed a week feels.
None of this will stop the calendar. But filling it with experiences you will actually remember is the most reliable way to make the years feel like years again.
Sources: Based on an essay by Anna Hunt for Waking Times; William James, Principles of Psychology, ch. 15; Ron Friedman, Fast Company; Wikipedia, Time perception; Wikipedia, Telescoping effect; Wikipedia, Reminiscence bump; Wikipedia, Awe.
COMMENTS