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Time
This category is for questions about the methods humans go about measuring the passage of time. You can also find questions about converting one unit of time to another.
9,512 Questions
Is 7.83 to 7 hours 50 minutes in decimal form?
Rounded to two decimal places, then yes it is. Being more precise, it 7.83 with the 3 recurring.
You need to multiply together all of the following:* 34 (the number of years)
* 365.25 (the approximate number of days per year)
* 24 (the number of hours per day)
* 60 (the number of minutes per hour)
How many seconds in an hour 30 minutes?
There are 60 seconds in a minuet and 60 minutes in an hour.
Therefore one hour and 30 mins. is the same as 90 mins.
60*90= 5400 seconds.
Midday, astronomically, is when the sun is at its zenith at the local latitude.
This does not always, or even often, agree with the time you read on your watch or clock.
Generally, midday is 12:00 noon
Distance cannot be expressed in time. If it could, then you'd be able to figure out how many minutes high your house is, and how many miles of sleep you had last night.
When did the Gregorian calendar become standard in its country?
Italy, Spain, Portugal and Poland were the first four countries to switch from the Julian calendar, the calendar reformation commissioned by Julius Caesar in 46 BCE, to the Gregorian calendar, the calendar reformation commissioned by Pope Gregory XIII in 1582. They started using the Gregorian calendar on the 15th of October 1582.
The last country to switch from the Julian calendar to the Gregorian calendar was Turkey, more than 344 years later.
