Time Existence Debate

Cluster centers on philosophical and scientific discussions questioning whether time truly exists, is an illusion, a human construct, or an emergent property, often referencing eternalism, relativity, and physics.

📉 Falling 0.5x Science
3,856
Comments
20
Years Active
5
Top Authors
#4491
Topic ID

Activity Over Time

2007
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2014
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2018
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2026
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Keywords

explainxkcd.com BY SI index.php wikipedia.org space relativity concept photons space time exist time time crystal universe time doesn

Sample Comments

dist-epoch Oct 4, 2024 View on HN

You can have time without having time - block timehttps://en.wikipedia.org/wiki/Eternalism_(philosophy_of_time...

seydor Mar 17, 2023 View on HN

Assuming that time "moves" kinda is

madeofpalk Oct 28, 2014 View on HN

Maybe time's just a construct of human perception, an illusion created by...

retrocog Aug 15, 2025 View on HN

Perhaps time doesn't objectively exist in the way it is understood as a premise of the paper?

cammil Oct 26, 2022 View on HN

Time doesn't exist though right?

anemach Mar 4, 2009 View on HN

Maybe time only exists if it can be observed.

ykovalenko Jan 26, 2023 View on HN

Time does not exist it is only concept

explorer666 Jan 19, 2016 View on HN

Time is an emergent property. Ie: fundamental particles don't experience time, but things made of them do.

teddyh Nov 29, 2021 View on HN

https://www.explainxkcd.com/wiki/index.php/1190:_Time

russellbeattie Jul 23, 2022 View on HN

There is no such thing as time, there's only movement. No movement, no time.