Difference between revisions of "Space"
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* https://medium.com/starts-with-a-bang/the-inconstant-moon-6df463a3b5f5 | * https://medium.com/starts-with-a-bang/the-inconstant-moon-6df463a3b5f5 | ||
| − | == Software == | + | === Software === |
* http://www.stellarium.org/ | * http://www.stellarium.org/ | ||
| + | |||
| + | |||
| + | |||
| + | |||
| + | == Time == | ||
| + | * https://xkcd.com/1335/ | ||
| + | ** https://news.ycombinator.com/item?id=7384025 | ||
| + | |||
| + | === Time zones === | ||
| + | * http://www.iana.org/time-zones | ||
| + | * http://everytimezone.com/ | ||
| + | |||
| + | === Calendar === | ||
| + | * http://www.timeanddate.com/calendar/?country=9 | ||
| + | |||
| + | For accounting: a 5 week month = 5 weeks including a Monday | ||
| + | |||
| + | === Clocks === | ||
| + | * http://www.theguardian.com/science/2015/apr/19/clockmaker-john-harrison-vindicated-250-years-absurd-claims | ||
| + | |||
| + | === to sort === | ||
| + | * http://www.waitbutwhy.com/2013/08/putting-time-in-perspective.html | ||
| + | |||
| + | 1h = 3600s | ||
| + | 1d = 86400s | ||
| + | 1w = 604800s | ||
| + | 28d = 2419200s | ||
| + | |||
| + | * http://rsnous.com/posts/2014-08-07-pinhole-a-falling-ball-demo.html | ||
| + | |||
| + | * [http://www.askapache.com/hacking/speed-site-caching-cache-control.html#htaccess_time_cheatsheet time cheatsheet] | ||
| + | http://jtnimoy.net/workviewer.php?q=178 | ||
| + | |||
| + | * http://www.whatsthetimethere.netai.net/msm/ | ||
| + | |||
| + | * http://www.fourmilab.ch/documents/calendar/ | ||
| + | |||
| + | * http://ilyabirman.net/projects/forebruary/ | ||
| + | |||
| + | * https://snipt.net/dogstarchampion/metric-time-indicator-for-ubuntu-unity/ | ||
| + | |||
| + | * http://poisson.phc.unipi.it/~maggiolo/index.php/2014/01/how-much-is-time-wrong-around-the-world/ | ||
| + | |||
| + | * https://en.wikipedia.org/wiki/Runic_calendar | ||
| + | |||
| + | * http://pagancalendar.co.uk/ | ||
| + | |||
| + | * http://skreksto.re/products/durr | ||
| + | |||
| + | * http://www.iers.org/nn_10398/IERS/EN/Science/EarthRotation/UT1-TAI.html?__nnn=true | ||
| + | |||
| + | |||
| + | * https://en.wikipedia.org/wiki/Decimal_time | ||
| + | * https://en.wikipedia.org/wiki/Swatch_Internet_Time [https://news.ycombinator.com/item?id=7046178] | ||
| + | |||
| + | |||
| + | * http://www.visualnews.com/2014/03/17/artist-spent-month-creating-digital-sundial-says-dont-throw-watch/ | ||
| + | |||
| + | * https://news.ycombinator.com/item?id=7965317 | ||
| + | |||
| + | * http://www.moongiant.com/ | ||
| + | |||
| + | * http://procyonic.org/clocks/ [https://news.ycombinator.com/item?id=8201240] | ||
| + | |||
| + | * http://www.famsi.org/research/vanstone/2012/index.html | ||
| + | |||
| + | * http://www.hexahedria.com/experiments/qrclock/index.html | ||
| + | |||
| + | === Unix epoch === | ||
| + | while true; do echo "$(date +%s)" | figlet ; sleep 0.99 ; done | ||
| + | |||
| + | * http://www.epochconverter.com/epoch/clock.php | ||
| + | |||
| + | date -u -d @1400000000 | ||
| + | gives datetime in UTC | ||
Revision as of 23:44, 5 May 2015
General
Stars Not Where They Seemed or Were Calculated to be, but Nobody Need Worry.
Earth
Moon
Software
Time
Time zones
Calendar
For accounting: a 5 week month = 5 weeks including a Monday
Clocks
to sort
1h = 3600s 1d = 86400s 1w = 604800s 28d = 2419200s
http://jtnimoy.net/workviewer.php?q=178
Unix epoch
while true; do echo "$(date +%s)" | figlet ; sleep 0.99 ; done
date -u -d @1400000000 gives datetime in UTC