Part 2: How to Stream Roku Supported Videos and Audio. If you have the video formats that Roku supports, congrats. But wait a minute, you can only cast them from phones to your TV via Roku, as long as you have an Apple device with iOS 4.3 or later, or one of the following Android phones or tablets: Samsung Galaxy S III.
A day, symbol d, is defined as 86 400 seconds. The Second is the base unit of time in SI units. A day according to Coordinated Universal Time (UCT) can include a negative or positive leap second, and can therefore have a length of either 86 399 or 86 401 seconds.
There are 86,400 seconds in one 24-hour day.86,400 because there are 24 hours in one day and each hour has 60 minutes and each minute has 60 seconds so 24 hours times 60 minutes equals 1440 times 60 seconds equals 86,400.However, a sidereal day (Earth's rotational period) is slightly shorter. The sidereal day is 86164.0916 seconds long.