Let’s discuss the question: how many minutes is 240 seconds. We summarize all relevant answers in section Q&A of website 1st-in-babies.com in category: Blog MMO. See more related questions in the comments below.

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## How long is 1 minute exactly?

The minute is a unit of time usually equal to 160 (the first sexagesimal fraction) of an hour, or **60 seconds**.

## How many seconds are in 1 hour minutes?

There are **3600 seconds** in an hour. There are 60 seconds in a minute, 60 seconds in an hour, 3600 seconds in a hour, 24 hours in a day, 7 days in a week, 52 weeks in a year, 365 days in a year, 10 years in a decade, 100 years in a century, 10 decades in a century, 100000 years in an eon.

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## How long is 1 second in seconds?

Today, one second is defined as “**9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom**”.

## How many seconds is 24hrs?

We also know there are 24 hours in one day. If we multiply all of those, we end up with **86,400 seconds** in 1 day.

## Why does a minute have 60 seconds?

Who decided on these time divisions? THE DIVISION of the hour into 60 minutes and of the minute into 60 seconds **comes from the Babylonians who used a sexagesimal (counting in 60s) system for mathematics and astronomy**. They derived their number system from the Sumerians who were using it as early as 3500 BC.

## How do you say 45 minutes in English?

At minute 45, we say it’s “**quarter to**” the next hour. For example, at 5:45, we say it’s “quarter to six” (or 15 minutes before 6:00). At minute 30, we say it’s “half past”.

## How many seconds are in a ha?

There are **3600 seconds** in an hour.

## How many seconds we have in a day?

There are **86,400 seconds** in a day.

## How many seconds are in a year?

one year would equal 365 times 24 times 60 times 60 seconds…or **31,536,000 seconds**!

## How was seconds invented?

Seconds were once derived by **dividing astronomical events into smaller parts**, with the International System of Units (SI) at one time defining the second as a fraction of the mean solar day and later relating it to the tropical year.

## Why are there 24 hours in a day?

Our 24-hour day comes from the ancient Egyptians who divided day-time into 10 hours they measured with devices such as shadow clocks, and added a twilight hour at the beginning and another one at the end of the day-time, says Lomb. “Night-time was divided in 12 hours, based on the observations of stars.

## How many microseconds are there?

A microsecond is an SI unit of time equal to **one millionth (0.000001 or 10 ^{−}^{6} or 1⁄1,000,000) of a second**. Its symbol is μs, sometimes simplified to us when Unicode is not available.

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## How much is a foot in centimeters?

One Foot is equal to **30.48 centimeters**.

## What is 8 am on a 24 hour clock?

24-Hour Clock Time Conversion Table | |
---|---|

1 AM | 01:00 |

7 AM | 07:00 |

8 AM | 08:00 |

9 AM | 09:00 |

## How many hours is exactly in a year?

For this calendar, a common year is 365 days (**8760 hours**, 525600 minutes or 31536000 seconds), and a leap year is 366 days (8784 hours, 527040 minutes or 31622400 seconds).

## Who created time?

The measurement of time began with the invention of sundials in **ancient Egypt** some time prior to 1500 B.C. However, the time the Egyptians measured was not the same as the time today’s clocks measure. For the Egyptians, and indeed for a further three millennia, the basic unit of time was the period of daylight.

## Why is the clock 12 hours?

The Egyptians used a 12-hour sundial **to tell time during the daytime and a 12-hour water clock at night**. The Romans also used a 12-hour clock. Early mechanical clocks showed all 24 hours, but over time, clockmakers found the 12-hour system simpler and cheaper.

## Who invented hours?

**The Ancient Babylonians** take credit for the hour being made up of 60 minutes. For reasons that remain unclear, they used a base 60 system of counting. They also divided the circle into 360 parts, which the Ancient Greeks built upon when they tried to divide the Earth into 360 lines of longitude and latitude.

## What is half past 2 o clock?

1:30, 2:30 and **3:30** can all be described as half past 1, half past 2, and half past 3.

## How do you pronounce clock?

…

1. The 12-hour-system in English.

Germany | England |
---|---|

0:00 | midnight |

0:01 | 12:01 am |

8:00 | 8:00 am |

12:00 | noon |

## What time is half past 7?

If it’s before noon we tend to say “in the morning”. | If it’s after noon we say “in the afternoon”. |
---|---|

30 minutes past the hour is half past: | |

07:30 It’s half past seven in the morning. |
14:30 It’s half past two in the afternoon. |

45 minutes past the hour is quarter to: |

## How many miles are in Ameter?

How many miles in a meter? 1 metre is equal to **0.00062137 miles**, which is the conversion factor from meters to miles.

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## Why there are 3600 seconds in an hour?

There are 1,440 minutes and zero seconds in 24 hours. Sixty minutes in an hour and sixty seconds in a minute means eight-six thousand four hundred seconds total, if you don’t put the seconds into the minutes. **60 * 60 = 3,600, so there is three thousand six hundred seconds in an hour.**

## How do you convert time in physics?

…

Time Unit Conversion | |
---|---|

1 minute | 60 seconds |

1 hour | 60 minutes / 3600 seconds |

1 day | 24 hours |

1 week | 7 days |

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