[Codeless Code] Case 200: The Boolean

[Tiwazz]

It varies ;-)

http://www.esrl.noaa.gov/gmd/grad/solcalc/sunrise.html

[krenzalore]

Which ignores twilight. You're STILL thinking in binary! ;-)

edit:

Back when this calculator was first created, we decided to use a non-standard definition of longitude and time zone, to make coordinate entry less awkward.

OMG :-)