Space
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Space
See Physics#Cosmology, Mapping
to merge with Physics?
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