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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
Why is presidents day the 3rd week of February?
Presidents Day in the United States is celebrated on the third Monday in the month of February - which, according to the new style calendar, which had not yet been implemented, fell on February 22, 1732 - the third Tuesday of the month.
What is happening on March 25 2010?
There is a Creative Connections Trade Schow scheduled at the Colorado Community Church in Denver, CO.
If there are 7 days in a week and 52 weeks in a year then how do you get 365 days?
There are 52 weeks plus 1 day in a non-leap year and 52 weeks plus 2 days in a leap year.
Did you know that a day has 24 hours and night has 12 hours. discuss why you agree or disagree?
It's all a question of semantics really, it is whether you are classing day as daylight or as the time it takes the Earth to do a full rotation. If the former, then a day would have 24 - how many hours of night there is, if the latter then yes, there is 24 hours (at least to a reasonable approximation, due to certain variables which alter it very slightly every time).
How many days are in 166 hours?
166 divided by 24 is 6.916666666666 (six repeated). So about seven days
How much is 6 hours 20 min - 2 hours 40 min?
6 hours 20 minutes minus 2 hours 40 minutes equals 3 hours 40 minutes. Math below:
6h20m = 380m
2h40m = 160m
= 220m
220m = 3h40m
How many milliseconds are there in a century?
86400 seconds in a day.
365 x 86400 = 31536000 seconds in a year.
100 x 31536000 = 3153600000 seconds in a century.
1000 x 3153600000 = 3153600000000 milliseconds in a century.
How many days are in 24 hours?
One day is in 24 hours. To find how many hours are in a day please multiply 24 by the number of days you have
How many days are there between December 7 1941 and September 2 1945?
Including the start and end dates in the calculation, there are 1366 days between the two dates.
On what date the time will change?
Daylight savings time begins March 14th 2010. It ends November 7th 2010.
What time do you think or perceive it to be?
What time you think it is is called the perception of time. The perception of time is a valid question and often differs from actual clock time.
Most people can correctly state whether it is morning, afternoon, or evening without a clock or looking outside. Nighttime, of course, is easiest, because it is dark.
But when clouds, weather, or country's location makes cues of time difficult, it can change our perception of the correct time.
As some examples:
- You haven't slept well and awaken to see darkness outside. You feel confused; you don't know whether it is the middle of the night, early morning, or evening. In countries where time is manipulated (set back or ahead one hour), it can be difficult to decide what time of day it is!
- In the USA, in most states, clocks "fall back" one hour for winter. You fall asleep at 9 pm and awaken at 5 am -- both in dark hours.
- You live in Alaska which has months of darkness and months of light. What clock time is it when you have no clues or cues?
Cues or clues humans use:
- Presence of sunlight
- Brightness or intensity of sunlight - cloudy days can alter this perception.
- The position of the sun -- if we are outside to check the sun. Or, if our bedroom has an eastern facing window and we know the sun rises in the east, we can tell it is morning. But what if it is cloudy or dreary outside?
- Our circadian rhythm-- an internal clock that partly directs us when to eat, sleep, awaken. But if you fly to another country, the change in time zone and latitude/longitude can mess up your circadian rhythm.
- Routines and habits.
- External influences: The fire dept sets off a short siren at 6 pm every day in US small towns. TV News airs at the same times every day. Churches ring bells at certain times on Sunday mornings. People are called to prayers in some countries/cultures.
