Year: 88 Earth days.
Rotation period (sidereal day): 58.6 Earth days.
Solar day: 176 Earth days.
88 Earth Days
one day on mercury is approximetly 10 secends. one year on mercury is 80 days.
one day on Mercury is approximetly 10 secends. one year on mercury is 80 days.
It's Mercury or Venus depending on whichthe definition of "day "you mean.
Mercury is the planet with an 88-day year.
Mercury's day is about 58.65 Earth days, and its year about 87.97. Venus has a day that is 243.0 Earth days long, while its year is only 224.7.
Mercury's "sidereal day" is about 59 Earth days long and its year is about 88 Earth days long. Venus has a "solar day" of about 117 Earth days and a year of about 225 Earth days.
That's Mercury: "sidereal day" is more than half its year. Or, it could be Venus: "solar day" is just over half its year.
Mercury has the shortest year of any of the planets. It is only 88 days. Mercury's day takes 58.646 Earth days.
Mercury's year is only 87.9 Earth days long.
One year on Mercury is about 88 Earth days long, 3/4 of a Mercurian day.
It takes about 59 Earth days (58.66 days) for Mercury to make one rotation.However, its "day" is extended due to the extremely short orbital period of 88 Earth days : a "sunrise to sunrise" solar day is 176 Earth days long (2 Mercury years).This is the source of the saying "On Mercury, a day is twice as long as a year."