Interestingly, in order to keep atomic time in agreement with astronomical time, leap seconds occasionally must be added to UTC. Thus, not all minutes contain 60 seconds.

For example, click "1:30:55 PM" to format the text as H:MM:SS -- where H represents hours, M represents minutes and S represents seconds. Alternatively, you can select "13:30:55" to use the 24 ...

Atomic clock scientists suggest shortening minute to 59 seconds By . Hannah Sparks. Published Jan. 5, 2021. ... For example, Sunday lasted only 23 hours, 59 minutes and 59.9998927 seconds, ...

While there are exactly 86,400 atomic-clock based seconds in a 24-hour day, the actual time for the earth to complete one rotation is slightly longer than 86,400 seconds. So every now and then, a ...

Conversion From Minutes & Seconds to a Decimal in Excel. ... For example 0:30:15 – which is zero hours, 30 minutes and 15 seconds – will become 0.0210069444444444, ...

It's also why people eventually decided to break up the face of a clock, which is also a circle, into 60 minutes … and then to break down each minute into 60 seconds. It took a long time before ...