sunpy.sun.sun.true_longitude(t='now') [edit on github]

Deprecated since version 1.0: This is scheduled for removal in 2.1.

Returns the Sun’s true geometric longitude, referred to the mean equinox of date. No corrections for nutation or aberration are included.


t (tuple, str, pandas.Timestamp, pandas.Series, pandas.DatetimeIndex, datetime.datetime,, numpy.datetime64, numpy.ndarray, astropy.time.Time) – Time to use in a parse-time-compatible format