def sidereal_lunar_longitude(tee):
"""Return sidereal lunar longitude at moment, tee."""
return mod(Lunar.lunar_longitude(tee) - Astro.precession(tee) + SIDEREAL_START, 360)
return ifloor(mod((HinduSolarDate.longitude(date) + HinduLunarDate.longitude(date)) / angle(0, 800, 0), 27)) + 1
def sacred_wednesdays(g_year):
"""Return the list of Wednesdays in Gregorian year, g_year,
that are day 8 of Hindu lunar months."""
return sacred_wednesdays_in_range(GregorianDate.year_range(g_year))
def sacred_wednesdays_in_range(range):
"""Return the list of Wednesdays within range of dates
that are day 8 of Hindu lunar months."""
a = range[0]
b = range[1]
wed = DayOfWeek.Wednesday.on_or_after(a)
h_date = HinduLunarDate.from_fixed(wed)
ell = [wed] if (h_date.day == 8) else []
if is_in_range(wed, range):
ell[:0] = sacred_wednesdays_in_range([wed + 1, b])
return ell
else:
return []
SIDEREAL_START = Astro.precession(HinduDate.UJJAIN.universal_from_local(mesha_samkranti(JulianDate.ce(285))))
def sidereal_solar_longitude(tee):
"""Return sidereal solar longitude at moment, tee."""
return mod(Solar.solar_longitude(tee) - Astro.precession(tee) + SIDEREAL_START, 360)
def sidereal_lunar_longitude(tee):
"""Return sidereal lunar longitude at moment, tee."""
return mod(Lunar.lunar_longitude(tee) - Astro.precession(tee) + SIDEREAL_START, 360)