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.
Up until recently with measurement standardizations, a day was divided into exactly 24 hours, each hour divided into 60 minutes, which were divided into 60 seconds. Now, however, with SI standards, a second is defined neutral of Earth; it's defined in terms of the time it takes for a certain isomptope to decay.