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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
How many days are in a year?
There are three hundred sixty five days in a year.
The regular year.
How many millisecond in 15 minutes?
1 second = 1,000 milliseconds
1 minute = 60 seconds
15 minutes = (15 x 60 x 1,000) = 900,000milliseconds
1 hour = 60 minutes
0.1 hour = (0.1 x 60) = 6 minutes
1 minute = 60 seconds
6 minutes = (6 x 60) = 360 seconds
How many minutes in a tenth of an hour?
There are 60 minutes within an hour so merely divide 60 by ten. A tenth of a hour is 6 minutes.
How many days is 5 million hours?
Simply divide 5,000,000 hours by 24 hours per day to yield your answer.
5,000,000 hours ÷ 24 hours/day = 208333 1/3 Days.
So 5 million hours equates to 208333.333... days.
How do you find how many minutes are in a micro-century?
Micro mean 10-6
A century is 100 years
so a micro century would by 100x10-6 years = 1x10-4 years
there are 365.25 days/year so 1x10-4 years x 365.25 days/year = 3.6525x10-2 days
There are 24hrs/day so 3.6525x10-2 days x 24 hrs/day = 8.766x10-1 hrs.
There are 60min/hr so 8.766x10-1 hrs. x 60min/hr = 52.596 minutes in a microcentury
How many years are there in 3.4 x 10 23 second?
1 minute = 60 seconds 1 hour = 60 minutes 1 day = 24 hours 1 year = 365 days = (365 x 24 x 60 x 60) seconds 3.4 x 1023 seconds = (3.4 x 1023) / (365 x 24 x 60 x 60) = (3.4 x 1023) / (31,536,000) = 1.07813 x 1016 years (rounded)
If the time is 645am in Sydney what time is it in seattle?
It depends on the time of year.
If the U.S. is on Daylight Saving Time and Australia is not (1st Sun. of Apr. to 1st Sun. of Oct.), it's 1:45 PM PDT.
If Australia is on Daylight Saving Time and the U.S. is not (1st Sun. of Nov. to 2nd Sun. of Mar.), it's 11:45 AM PST.
During the other parts of the year, when both countries are on Daylight Saving Time, it's 12:45 PM PDT.
A nanosecond is to a second as a second is to how many years?
The ratio between a nanosecond and a second is 1:1,000,000,000 (nanoseconds)
So now if we make the seconds the 1 part in that ratio it will be 1:1,000,000,000 seconds.
1,000,000,000 / 60 is 16,666,667 minutes, /60 is 277778 hours, /24 = 11574 days, /365.25 = 31.6881 years
