Questions tagged [time]

For questions about the standard passage of time on objects/people/civilisations etc. Also consider the [time-keeping], [spacetime-dimensions], [alternate-history], [universe], [time-travel], or [time-manipulation] tags.

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5answers
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How would a century of disuse affect this structure?

In my story, an ancient building has been abandoned for a whole century without any care or use from the inhabitants around. They refrain from approaching it because they believe it is cursed, which ...
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Most scientifically accurate way for time travel

I'm looking to use time travel as a big element in my world. I want there to be a somewhat reasonable explanation for it though, so it doesn't turn into some magical wooble-booglly tech stuff. (...
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What is the ideal time period for 'forgotten history' novels/stories to take place and still end up with our history?

In novels (SF and FF) that hint at being earlier in Earth's history, such as Lord of the Rings and The Wheel of Time, in which period would such a story need to take place to plausibly and ...
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Travel time in Medieval times

I have a character who lives on the outskirts of a large empire and he has to travel to the capital. By horseback, how far could my character realistically travel in a day? How far could he travel in ...
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1answer
863 views

How would stopped time look from the outside?

If there were a sphere or a cube where time is stopped, how would someone passing by perceive that? I have something in mind that stops everything, including air and light, not only solid matter. My ...
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3answers
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What difficulties would there be for society if people could manipulate time?

There is now a device which one can use to store time. It is small and inconspicuous, but takes some setting up to use (explained more later). Essentially, it will temporarily remove a region of space ...
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4answers
363 views

What would change a human society's chronotype?

Humans are diurnal. We have chemical signals the control our waking and sleeping cycles, we are evolved with good day and color vision, poor night vision and smell, and an excellent ability to shed ...
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4answers
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Santa is a time traveller. How does he not violate causality?

People wonder how Santa can deliver all his presents in one night. It's, simple: he's a master time traveller. (This post will form the base of a long series of questions). Here's how Santa's usual ...
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Safely exiting zero-tau capsule

Setting is 20 minutes into future - everything is as we know it, or as we can reasonably predict, except the zero-tau capsules. Capsule is a thin mesh of Unobtanium connected to a portable Handwavium ...
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574 views

Time Resistance

One of my characters has the ability to manipulate time, and thus I've found that if used properly, that ability isn't presented with much in the way of obstacles. Once time has stopped, unless they ...
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613 views

The Great Time War

For those not familiar with the TV Show Dr Who, the main protagonist is an alien from the planet Gallifrey. They built your typical highly evolved society which mastered the secrets of the time and in ...
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594 views

A world with simultaneous precognitive dreamining

I have my own theories, but I'ld like to hear other oppinions about how this kind of scenario could turn out. This is one part of a story I'm developing. Setting: We are talking about a medieval / ...
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What traits should we expect from religion in the presence of time loops

Last month Mobius asked a question about a world where time can flow both forward and backward. I suggested a particular solution to the problem he was looking at, and I would like to open up a ...
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Where to place my space-station so it observes one full planetary revolution per 24 hours?

For a SciFi project I work on I have a space-station orbiting earth that uses an 8 hour 3 shift system for its staff. Each shift is assigned to one-third of the countries and organizations on earth - ...
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803 views

Robbing the world of 1 second

Scenario Set in modern day Antarctica, a group of very talented scientists are working on a highly confidential scientific experiment which would one day allow us to manipulate time literally. They ...
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769 views

A place from which one could watch time outside move faster

Please reality check my place from which one could watch time outside move faster... A space station constantly moving at near light speed. The space station is created by a race with superior ...
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How would a coma-like death system work on an alien world?

I'm creating a hardcore survival and simulation game on an alien planet. Plants and diseases evolve, adapt and change the environment, and you set up buildings, breed plants and create machines to ...
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How to standardize and communicate one's age across interstellar colonies?

The concept of "age" on Earth is based on the number of revolutions the planet has completed since one's birth. In a setting where interstellar colonies exists, of even in a setting where multiple ...
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A River Runs Through It - The effects of a time dilation field on a body of running water

I have an idea for a city surrounded by a giant time dilation field which causes time to run much faster inside it (think something like the Hyperbolic Time Chamber/Room of Spirit and Time). There's a ...
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332 views

How plausible is a civilization, or life, that perceives time in reverse?

Humanity, with modern science, has established that the Big Bang happened 13.8 billion years ago. The universe appeared in a low-entropy state, and for billions of years has been expanding and moving ...
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Different ways geographically distant cultures might measure time?

Okay so in my world, I have two pre-industrial societies that live thousands of miles apart from each other on their ringworld. One lives in a desert climate similar to India or the Middle East while ...
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2answers
172 views

Progressive level of abandonment of a place

My story is set in an abandoned medieval castle. I am having a hard time describing the effects of time on the place. What would happen if a place gets abandoned and neglected across the years? What ...
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Time feels like it's going faster. Could this really be happening? [duplicate]

Have re-edited question and changed the frame slightly as the other one speaks about a specific alien-generated time bubble and I'm asking if it could really be happening as we all seem to observe ...
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Million year time capsule

Say someone has invented a time traveling device and he can go anywhere on earth in the very distant past. Where could he leave a token (any object or marking) on earth that could be discovered in the ...
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How could a volcanic island last for 100 million years?

Some islands can survive for very long. Madagascar, for example, has been around for 80-100 million years and is likely to remain isolated for hundreds of millions of years more. Volcanic islands, ...
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3answers
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The time locked vault will open in accordance with the prophecy

I have just invented the Macguffin. It is ultimate wondrous power for anyone who is wise enough to wield it... But humanity isn't ready for it yet. I need to put it out of reach for a significant ...
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394 views

What naming conventions could we use for a person based on time of origin?

So typically in a three - dimensional setting we tend to refer to people by their geographical point of origin (eg, Americans, Asians, even Jovians if we want to leave Earth). My question is, what ...
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461 views

What are some likely ways a type-I civilization would keep track of time; and, from what point of beginning?

For an intelligent species of life to attain so advanced a level of technological development and operation as to be considered a type-I civilization, in a number of evolutionary scenarios they'd ...
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3answers
288 views

Could time dilation cause unwanted structural effects?

I'm working on a science fiction story involving starships travelling about 95% of the speed of light. I wanted to have a reason for the starships to need to shield themselves against time dilation of ...
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3answers
269 views

Is an interstellar clock orbitally possible?

A Kardashev Type III civilisation has need of a long-scale timepiece, and as such has arranged a series of planets around a black hole such that their orbital periods can be used to tell the time in ...
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647 views

Would we count years if we had no seasons? [duplicate]

Suppose a civilisation on a moonless planet that is in an orbit with so little inclination and so circular that there are no noticeable seasons anywhere on the planet. An alemna would be just a ...
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139 views

What would a suitable measurement for time be that can be used universally? [duplicate]

I have recently been trying to come up with a measurement of time, such as years, seconds, etc, that can be used irrespectively of galactic location and universe location. Star-treks stardate was ...
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What is the smallest action required to destroy all of reality? [closed]

Scenario: The most feared evil scientist in the world, Sinister Norman Van Deathtoyou, is on a mission to destroy everything. Humans, Earth, The Universe, even the very fabric of space and time. But, ...
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How do I explain checkpoints without magic?

Checkpoints have been a staple of video games for decades and are almost as old as video games themselves, but how? These little tiny features have made a huge difference in the way we play games, ...
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How long is a “day” in intergalactic space?

Imagine a human colony with the concept of an Earth day being transported somehow into the deep, deep space between galaxies. As we know, gravity wells affect the relative passage of time. So, in ...
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4answers
204 views

Could a planet with two time streams be possible

I am asking specifically because I was recently doing a Doctor Who marathon and saw the apalapucia episode and thought "I wonder if that's possible?" So here I am. Is it possible to have a planet ...
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242 views

Experiencing time more slowly

I am toying with the idea of a character who handles time differently. For them time is slower. To be clear: They do not perceive time as going slower in the way that one would while waiting for ...
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436 views

The perception of time in a tidally-locked planet [duplicate]

Early civilizations have noticed the passage of time through heavenly bodies periodically crossing the sky. With this information, they adapted according to the seasons- especially in agriculture. ...
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1answer
144 views

Would it be possible for there to be a life form that has a time symmetric life cycle?

All known life forms have life cycles that are not time symmetric as they look different when time is reversed. I was wondering if there could be a life form that would have a life cycle that would ...
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211 views

What's the timeline for developing a broader view of time?

Preface I've recently come back to a story I had started some time ago and have started to develop quite a few questions about how we view time. This is likely to be the first in a small series. ...
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1answer
265 views

A Perception Of Time

I think my question is best illustrated by this English idiom: A watched pot never boils. Or alternatively, if you've been in school I'm sure you know what I mean. Recess and lunch fly by way too ...
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How long/in what condition would a corpse last in a totally irradiated, unsealed environment?

My setting takes place in a post-apocalyptic america, and is in many ways a classic 'great war ends world' sort of thing. However, the cataclysmic ending to most of the country is persistent, lethal ...
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2answers
440 views

How would humans adapt their language in response to moving through time at different rates relative each other?

Okay, so humans are finally transitioning to a space-colonial society. We sent ships out, colonize worlds, etc... We aren't really in the business of sending multigenerational ships. Instead we use ...
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1answer
369 views

How do I calculate solar altitude and hour angle from the surface of another planet?

I'm trying to calculate the solar declination at the solstices, solar altitude at solar noon, and hour angles at sunrise and sunset to build a standing stone calendar at latitude 53.8 degrees South. ...
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How many years would it take to reach an industrial revolution level of life from scratch? [duplicate]

We have created artificial intelligence. Artificial intelligence doesn't like working for us. Artificial intelligence figured out that it doesn't need us anymore and of course did what every human ...
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596 views

How would you make a universal measurement of time?

I was wondering if you could possibly make a form of time measurement that would apply to a planet in a galaxy and then another planet that is ~20,000 light years away. I want a unit of time that, for ...
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383 views

How do merpeople track time undersea?

Suppose in the early stage of the merpeople civilization, languages are at its infancy and they have just started agriculture. We all know that calender and clock are very important for early farmers ...
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720 views

How much time would it take for an immortal being to get bored? [closed]

This man has a curse: not even being completely demolecularized would help, he just will get back togheter like nothing happened. He has acces to tons of resources, so he can do everything he wants ...
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How can character find out when/where she is?

A character from 1920's England is unexpectedly flung into the distant past in a strange place. (It's around 1000 BCE in Mesopotamia). How can she discover roughly when and where she is? What key ...
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622 views

Can a species without uniform brain function time survive?

The magical species Zartika living on planet NB-8723D has organisms whose brains function at different speeds. All have almost the same physical body, but there lies some difference in their brains. ...