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What is time & why does it move forward? (The Conversation) What is time? (Wikipedia) A debate over the physics of time (Quanta Magazine) Check if the time on your devices matches 'atomic time' anywhere on Earth (Time.is) Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day? (Scientific American) A year is the orbital period of the Earth moving in its orbit around the Sun (Wikipedia) The period of time during which the Earth completes one rotation with respect to the Sun is called a solar day (Wikipedia) Length of a day & a year on Mars (NASA) Timekeeping on Mars (Wikipedia) The 'stardate' system: How they track time on Star Trek (Wikipedia) How do Star Trek stardates work? (Mental Floss) A discussion on how the Federation sets its clocks on Star Trek (StackExchange, SciFi) What is the arrow of time? (Wikipedia) Where does our arrow of time come from? (Forbes) Travelling forwards through time is possible, Einstein said so (Physics.org) The 'twin paradox'…