Questions tagged [time-keeping]

For questions about systems used to distribute time into certain periods adapted to the purposes of common life, as hours, days, weeks, months, years, etc.

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42
votes
19answers
9k views

Standardisation of Time in a FTL Universe

Here on Earth, time standardisation was enabled by the invention of accurate time pieces which allowed us to create a global constant (GMT/Zulu time) and regional offsets. If we travel outside our ...
5
votes
1answer
500 views

Timekeeping Systems on a Habitable Moon

Ok, this is take two. Hopefully this is specific enough. I have a link to the original question here. And for those of you eager to see my sources for this, I'll link two videos here from the ...
8
votes
1answer
288 views

How do calendar systems arise? How would this affect a civilization's time-keeping if originating on the moon of a gas giant? [closed]

So I understand how gas giants and their many, many moons operate, and I can make educated guesses about how Earth-sized satellites could orbit a large gas giant, as well as how gas giants can be in ...
-1
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2answers
235 views

How survivors should measure time on tidal locked planet?

Setting: Earth-like planet orbitting red dwarf. Survivors from the Earth. (Only one planet, not post-planet civilization like in question: How Would a Post-Planetary Civilization Measure Time? ) ...
3
votes
1answer
107 views

Would people living on different ringworlds around the same star measure time differently?

Okay so I have a sci-fi world masquerading as a fantasy world where numerous different genetically-engineered humanoids live on nine different ringworlds orbiting an artificial Earth-mass black hole (...
6
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6answers
1k views

How would my dwarves tell time underground?

How could they keep track of the "Surface World Time?" Parameters: Very little contact with the surface world Phobia of "just go and check" It is needed to know when traders will descend They don't ...
7
votes
5answers
194 views

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 ...
3
votes
4answers
318 views

What would a solar empire's calendar look like?

Background information Let's say that humanity somehow has colonized almost every celestial body in the solar system (with the exception of the gas giants, Venus and Mercury): we mine moons and ...
23
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9answers
2k views

If clock and calendar was reinvented with today's knowledge, what could they look like?

Our notion of recording and communicating time and date is based on very old concepts, many of them being built upon flawed assumptions (that the Sun should be at exact south at noon, that a year ...
6
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2answers
422 views

My BIG World Needs More Suns

Summary version: So we're talking people living on top of 30 miles of topsoil, fake dino fossils and water on the outer surface on a hollow (but sturdy) unobtanium sphere with a radius about 1 AU. ...
4
votes
3answers
219 views

Measure time with longer days?

I'm making a planet where a day last 28 Earth days and I'm trying to figure out what could be the units of measure of time. The planet has these features: A day last 28 Earth days. There is no moon. ...
2
votes
4answers
861 views

Should the Spring Equinox be New Year's Day? [closed]

Time and time again, the history of the calendar is so complicated because of how arbitrary the system is. Before Julius Caesar, a whole year in the Roman calendar is ten months. The Chinese ...
7
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2answers
148 views

Reconciling Polar Calendars

This is a calendar question, for the Fortnightly Topic. Background On planet Polarworld, a future alternate Earth, the ambient temperatures are so intense that the only habitable areas are at the ...
15
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4answers
2k views

How can a floral clock be made accurate enough to replace normal timekeeping?

A village is famous for its flowers and wants to bring in tourism by replacing its timekeeping and basing everything around a flower clock. Schools and shops all agree to set their times by the flower ...
30
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11answers
5k views

Creating a realistic timekeeping system for a fantasy world

When reading fantasy novels, I have as a rule been left with the impression that exact timekeeping is either avoided as a topic, or referred to only vaguely and obliquely. In many cases, the author ...
37
votes
20answers
8k views

How would people tell time if it was always day?

So, if I have a civilization that lives in a hollow planet, with a sun in the middle. How would they tell time? The sun always shines, and it is a Constant Spring/summertime weather. They have animals ...
9
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6answers
1k views

What would a Christian calendar look like?

After the adoption of Christianity as the one official religion in late Ancient Rome, the new role of pope inherited some duties of previous leaders, among them he’s responsible for the calendar. The ...
22
votes
5answers
4k views

How can I create original holidays for my world?

How can I create holidays/traditions for my fictional world? I want these holidays to be believable and original, not just something inspired by a holiday we have here. An obvious course of action ...
1
vote
2answers
374 views

Accurately Measuring Sidereal Years For Calculating Tropical Year

I decided that a sidereal year in my world is about 435.126 days long. It would follow that leap years occur every 8 and 125 years (with a double leap year every 1000 years!), but I hadn't though ...
4
votes
5answers
387 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 ...
4
votes
4answers
896 views

What would a lunar calendar look like?

First see this great answer on considerations when making a calendar. Consider a human colony on our own moon. Let's assume that the colony is influenced by the Gregorian calendar. Let's suppose the ...
17
votes
10answers
5k views

What would a Martian calendar look like?

On Earth, the mostly used calendar is the Gregorian calendar. This calendar has many issues though, just to list some: It is not perennial. Each year starts on a different day of the week and ...
24
votes
7answers
2k views

On a planet without seasons, how would people track years?

On a planet without axial tilt and with a roughly circular orbit, there would be no seasons. The climate on the planet would be, as far as I can tell, exactly the same at any time of year, and the ...
20
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7answers
3k views

How would rogue planet civilization track the passage of time?

If a species were to evolve on a rogue planet, how would they track the passage of time? Without day/night cycles or revolutions around a star, they couldn't use the typical methods that civilizations ...
17
votes
7answers
2k views

How do date/time systems work for an entire solar system?

The species doesn't originate from the solar system, nor do they occupy a single planet or even have any colonies on the planets. They travel around in space ships throughout the solar system Do they ...
41
votes
6answers
2k views

What are some things to keep in mind when designing a calendar?

There are many different calendar systems on earth. Of course, since a fictional world very well may differ greatly from Earth, it makes sense for them to have their own calendar. What are various ...