How many hours are in a day on Mercury?

There are 58 Earth days and 15 hours in one day on Mercury, which equates to just under 1408 Earth hours. In comparison, one Mercury year takes 88 Earth days.

Mercury is the closest planet to the sun, and the smallest of the eight planets in the solar system. The temperature on Mercury ranges from minus 180 degrees Celsius at night to 430 degrees Celsius during the day. It has a similar size and terrain to Earth's moon, which is rocky, solid and marked by craters. It has no moons or rings, and was named after the messenger of the gods in Roman mythology.