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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.
9,511 Questions
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 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)
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 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
What time is 1900 hundred hours?
There are 24 hours in a day, but usually times only go up to 12. After 11:00 is 12:00, and after 12:00 we go back to 1:00. Because this means there can only be 12 different times, we say that some times are a.m. (in the morning) and others are p.m. (afternoon or night). If you have absolutely no idea what time it is and someone says it's 8:00, you need to know whether that's a.m. or p.m. in order to know what time it actually is.
The other way to talk about times is to go from 0:00 (midnight) to 23:00 (11:00 p.m.). This way, the time always means "hours since midnight" -- if you say times this way, you don't need a.m. and p.m. For example, if you have no idea what time it is and someone says it's 13:00, then you know it's 13 hours after midnight, which can only mean 1:00 p.m. (in the afternoon).
1900 hours is the same as saying 19:00, which means 19 hours since midnight. If you see a time that's more than 12:00, you can just subtract 12 from it and make it p.m. This means that 1900 hours is the same as 7:00 p.m.
7:00 pm
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
How many millisecond is 3.000000000 seconds?
3.000000000 seconds is still only 3 seconds. 1 second = 1000 milliseconds so 3 secs = 1000*3 = 3000 ms. Simple!
There are about 48 days ( it doesn't go in evenly ) in 191 hours.
