pvlib.spa.calculate_deltat#
- pvlib.spa.calculate_deltat(year, month)[source]#
Calculate the difference between Terrestrial Dynamical Time (TD) and Universal Time (UT).
Equations taken from http://eclipse.gsfc.nasa.gov/SEcat5/deltatpoly.html
Calculate the difference between Terrestrial Dynamical Time (TD) and Universal Time (UT).
Equations taken from http://eclipse.gsfc.nasa.gov/SEcat5/deltatpoly.html