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Subject: Re: Sunset, sunrise, civil & nautical twilight
From: Craig (cscott@XXX.XXX)
Date: Wed Jan 30 2002 - 23:09:13 EST
Here the law requires headlights 30 Minutes after SUNSET till 30 minutes
before SUNRISE. ;)
Craig
-----Original Message-----
From: Navigation Mailing List [mailto:NAVIGATION-L@XXX.XXX]
On Behalf Of Jared Sherman
Sent: Wednesday, January 30, 2002 22:14
To: NAVIGATION-L@XXX.XXX
Subject: Re: [NAV-L] Sunset, sunrise, civil & nautical twilight
DAn-
<Civil twilight is the time when cars are supposed to have their headlights
on by.>
Here the law requires headlights from 30 minutes after "sunrise" to 30
minute before "sunset" with no further definition. That would be 7-1/2
degrees, so perhaps our motor vehicle code is just recognizing a similar
standard of darkness to that one civil twilight recognizes. But it is
definitely not quite the same.
I was taught that the motor vehicle code was based on how much light was
needed to read the small print in a newspaper, i.e. how bright it is out.
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