mars-rotation
Mars rotation period.
Mars sidereal rotation period (ie:- The Mars Sidereal Day) = 24 hours, 37 minutes, 22.67 seconds, ie:- 1.025957 Earth Days. Data source:- Collins Dictionary of Astronomy, by Daintith and Gould, published by HarperCollins, 2006, page 266 (under entry “Mars”). Here is a scan of the relevant data from this above table:-