199 |
"Sidereal time at Greenwich at midnight (universal time).") |
"Sidereal time at Greenwich at midnight (universal time).") |
200 |
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201 |
(defvar solar-northern-spring-or-summer-season nil |
(defvar solar-northern-spring-or-summer-season nil |
202 |
"T if northern spring or summer and nil otherwise. |
"Non-nil if northern spring or summer and nil otherwise. |
203 |
Needed for polar areas, in order to know whether the day lasts 0 or 24 hours.") |
Needed for polar areas, in order to know whether the day lasts 0 or 24 hours.") |
204 |
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205 |
(defun solar-setup () |
(defun solar-setup () |