Re: [R] sunrise sunset calculations

From: stephen sefick <>
Date: Tue, 15 Jul 2008 13:29:21 -0400

Is there a way to use a time zone independant in the sunriset function. We have kept our instruments on eastern standard time. Any help would be great!

On Tue, Jul 15, 2008 at 1:06 PM, Chuck Cleland <> wrote:

> On 7/15/2008 12:52 PM, stephen sefick wrote:
>> Does anyone know if there is a sunrise sunset calculator for R?
> RSiteSearch("sunrise", restrict="function")
> points to several related functions in the maptools package.
> --
> Chuck Cleland, Ph.D.
> NDRI, Inc. (
> 71 West 23rd Street, 8th floor
> New York, NY 10010
> tel: (212) 845-4495 (Tu, Th)
> tel: (732) 512-0171 (M, W, F)
> fax: (917) 438-0894

Let's not spend our time and resources thinking about things that are so
little or so large that all they really do for us is puff us up and make us
feel like gods. We are mammals, and have not exhausted the annoying little
problems of being mammals.

-K. Mullis

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