Arrangement of Time on Mars (Continued)
If you add these extra minutes, in 1 Martian year (687 Earth days), you would have 8,931 extra minutes. Divide this by 61 (number of minutes in an hour), and then you will have 146.4 extra hours in 1 year. Every 4 years, we’ll have 585.6 extra hours. Divide 585.6 by 24(hours in 1 day), and that equals 24.4 extra days in 4 years. Every 4 years, we can add an extra month of 24 days!