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Philosophaie
Philosophaie is offline
#7
Mar22-12, 05:55 PM
P: 365
T = alpha - H and by T = alpha + H
The equation is always:

LMST = alpha - HA
Just the time changes.

JD = 367 * yr - Int(7 * (yr + Int((mo + 9) / 12)) / 4) + Int(275 * mo / 9) + dy + 1721013.5
d = (JDT - 2451545)

GMST0 = 18.697374558 + 24.0657098244191 * d; in hours
GMST0*15; in degrees