How many hours are in two days?
Answer48
Each day has 24 hours, so two days have 48 hours.
Science · Facts & stats
2 Day facts & stats
7 fact-checked facts about days and how we measure them, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which date is added to the calendar in a leap year?
AnswerFebruary 29
Leap years add February 29 to keep the calendar in step with Earth's orbit of about 365.24 days.
Going deeper
How many seconds are in one day?
Answer86,400
24 hours x 60 minutes x 60 seconds = 86,400 seconds.
A day on Mars is called a 'sol'. About how long is it?
AnswerAbout 24 hours 40 minutes
A Martian solar day lasts about 24 hours 39 minutes, only a little longer than an Earth day.
Thursday is named after which Norse god?
AnswerThor
Thursday means Thor's day; Wednesday honours Odin (Woden) and Tuesday honours Tyr.
Expert level
Which planet spins fastest, giving it the shortest day in the solar system?
AnswerJupiter
Jupiter rotates once in just under 10 hours, the shortest day of any planet.
Earth's days are very slowly getting longer, mainly because of what?
AnswerTidal friction caused by the Moon
Tides raised by the Moon act as a brake on Earth's spin, gradually lengthening the day over millions of years.
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