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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
What is a list of names for time?
List of Names
Year = Y = 1 Year
Decade = D = 10 Years
Century = C = 100 Years
Millennium = M = 1000 Years
Megaannum = MA = 1 million Y
Gigaannum = GA = 1 billion Y
Petaannum = PA = 1 trillion Y
Teraannum = TA = 1 quadrillion Y
Exaannum = EA = 1 quintillion Y
Zettaannum = ZA = 1 sextillion Y
Yottaannum = YA = 1 septillion Y
Brontoannum = BA = 1 octillion Y
Geopannum = GEA = 1 nonillion Y
Saganannum = SA = 1 decillion Y
Alphaannum = AA = 1 undecillion Y
Kyratannum = KA = 1 duodecillion Y
Amosannum = AMA = 1 tredecillion Y
Pectrolannum = PEA = 1 quattourdecillion Y
Bolgerannum = BOA = 1 quindecillion Y
CE next to a number indicates that the number is a year of either the Gregorian calendar or the Julian calendar. It stands for Common Era or Christian Era. It was introduced as an alternative to the traditional AD, which stands for Anno Domini, which is Latin for In the Year of Our Lord, primarily because many non-Christians use the Gregorian calendar but are not comfortable referring to Jesus as their Lord. Also, just as BC, which stands for Before Christ, is used in conjunction with AD to indicate a year before the year AD 1, BCE, which stands for Before the Common Era or Before the Christian Era, is used in conjunction with CE to indicate a year before the year 1 CE (someone who would not call Jesus their Lord more than likely does not believe that He is the Christ, either).
At 4 PM CET, it's 7 AM PST (and at 4 PM CEST, it's 7 AM PDT).
PST = UTC-8
PDT = UTC-7
CET = UTC+1
CEST = UTC+2
Without the speed you are travelling nobody can answer this question
What day and time will it be 8 hours and 19 minutes after Saturday 11.47 PM?
First add the hours, secondly the minutes. So you get Sunday 7am Plus 66 minutes, which is 8.06 am Sunday.
How many minutes are in 230 seconds?
1 minute = 60 seconds so 230 minutes = 230*60 seconds = 13800 seconds
How long does it take to walk 2670 miles for the average person?
An average, non-competitive walking rate is 3 to 4 miles per hour.
So 2,670 miles would take 667 to 890 hours ... between 83 and 111
eight-hour days of walking.
How was the clock originally invented?
The clock is one of the oldest human inventions. Water clocks, also known as clepsydrae along with the sundials, are possibly the oldest time-measuring instruments. The bowl-shaped outflow is the simplest form of a water clock and is known to have existed in Babylon and in Egypt around the 16th century BC. However, it is believed that water clocks appeared as early as 4000 BC in India and China.
Why is 60 a good choice for an hour rather than 59?
Well, if your hour has 60 minutes in it, then
1/2 hour = 30 minutes
1/3 hour = 20 minutes
1/4 hour = 15 minutes
1/5 hour = 12 minutes
1/6 hour = 10 minutes
1/10 hour = 6 minutes
1/12 hour = 5 minutes
1/15 hour = 4 minutes
1/20 hour = 3 minutes
1/30 hour = 2 minutes
But if your hour only has 59 minutes in it, then
1/2 hour = 29.5 minutes or 29 minutes 30seconds
1/3 hour = 192/3 minutes or 19minutes 40seconds
1/4 hour = 14.75 minutes or 14minutes 45seconds
1/5 hour = 11.8 minutes or 11minutes 48seconds
1/6 hour = 95/6 minutes or 9minutes 50seconds
1/10 hour = 5.9 minutes or 5minutes 54seconds
1/12 hour = 411/12 minutes or 4minutes 55seconds
1/15 hour = 314/15 minutes or 3minutes 56seconds
1/20 hour = 2.95 minutes or 2minutes 57seconds
1/30 hour = 129/30 minutes or 1minutes 58seconds
Which choice seems like the more convenient one to you ?
How do you convert 15 seconds to hours?
Divide seconds by 3,600. So, 15 seconds = 15 / 3,600 = 0.004167 hour
