sun-syn
This web page shows The Sun's synodic rotation periods, as viewed from Mercury, Venus, Earth, and Mars.
The Sun's (sidereal) rotation period = 24.66225 Earth days. To verify this, click on this link:-
The orbital periods of Mercury, Venus, and Mars (expressed in Earth days) are - respectively - Mercury 87.9692 and Venus 224.70067 and Mars 686.9782 To verify this, click on this link:-
Earth's orbital period (ie:- The Earth sidereal year) = 365.25636 Earth days. To verify this, click on this link:-
The Sun’s synodic rotation period, as viewed from Mercury =
1 ÷ [(1 ÷ 24.66225) MINUS (1 ÷ 87.9692)] = 34.2698 Earth days.
The Sun’s synodic rotation period, as viewed from Mercury =
1 ÷ [(1 ÷ 24.66225) MINUS (1 ÷ 224.70067)] = 27.7028 Earth days.
The Sun’s synodic rotation period, as viewed from Mars =
1 ÷ [(1 ÷ 24.66225) MINUS (1 ÷ 686.9782)] = 25.58058 Earth days.
The Sun’s synodic rotation period, as viewed from Earth =
1 ÷ [(1 ÷ 24.66225) MINUS (1 ÷ 365.25636)] = 26.44803 Earth days.