pyacs.lib.astrotime.mjd2dayno

Convert modified Julian day to year and day of year (universal time).

pyacs.lib.astrotime.mjd2dayno.mjd2dayno(mjd)[source]

Convert modified Julian day to year and day of year (universal time).

Parameters:

mjd (float or array-like) – Modified Julian day.

Returns:

  • dayno (int or ndarray) – Day of year.

  • year (int or ndarray) – Year.

  • ut (float or ndarray) – Day fraction.

Examples

>>> import pyacs
>>> pyacs.mjd2dayno(51603.0)
>>> (60, 2000, 0.0)
>>> pyacs.mjd2dayno(51603.5)
>>> (60, 2000, 0.5)