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Nairaland Forum / Science/Technology / Why Do Countries Have Different Time Zones? (33112 Views)
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Re: Why Do Countries Have Different Time Zones? by Kinematics: 4:59pm On Dec 27, 2020 |
Godsown0: Is US not on planet earth? Why won't direct sun hit it? Or i don't understand your question? Be clear please |
Re: Why Do Countries Have Different Time Zones? by Kinematics: 5:01pm On Dec 27, 2020 |
ikorodureporta: Mmmmh |
Re: Why Do Countries Have Different Time Zones? by Temas: 5:08pm On Dec 27, 2020 |
MalaikaEH: Just to correct some stuff. The sun is not the only object with light in the whole universe. In fact the sun is a star in the milky way galaxy ( our galaxy) there are other stars out there just like the sun. The sun will die one day just like the other stars had. 1 Like |
Re: Why Do Countries Have Different Time Zones? by Bosun13: 5:09pm On Dec 27, 2020 |
Earth is flat not spherical.... Optical illusion is the causes of sphere earth blf.... Earth is like disc shape not like ball. 1 Like |
Re: Why Do Countries Have Different Time Zones? by nelxxy(m): 5:13pm On Dec 27, 2020 |
ikorodureporta:The moon has four phases: new, 1st quarter, full, and third quarter. (The acronym for the three visible phases is DOC.) The new moon is basically invisible and happens when the moon and Sun are on the same side of Earth. (You see a sliver of the new moon above the western horizon as the Sun is setting around the time of the new moon.) At the first quarter, the half moon looks like a “D” because the reflected light from the Sun is coming from the western horizon. Notice that the night of the full moon, the moon always rises at sunset. The Sun and moon are on different sides of Earth, the Sun on the western horizon, the moon on the eastern. The third quarter moon is a half moon, but looks like a “C” because the reflected light from the Sun is hitting the moon from beyond Earth’s eastern horizon. Furthermore, think of the times that the 1st quarter moon, and the third quarter moon are visible. You can sometimes see the 1st quarter moon during the daytime but you see the 3rd quarter moon in the middle of the night. I hope this helps. 2 Likes |
Re: Why Do Countries Have Different Time Zones? by Donspicey: 5:16pm On Dec 27, 2020 |
ikorodureporta: As wahala no dey finish na so learning no dey finish........ Me sef wan know why the sun dey change position and dem say e dey one place.... |
Re: Why Do Countries Have Different Time Zones? by MalaikaEH(f): 5:19pm On Dec 27, 2020 |
Godsown0: Tell me something! So USA does not have afternoon and night? When some other people are asking why parts of Alaska in USA or Canada have 24 hour daylight, you say they don't have. Anyway, I am not doubting you, because I don't have the answer you seek. |
Re: Why Do Countries Have Different Time Zones? by Donspicey: 5:19pm On Dec 27, 2020 |
nelxxy: You mean the sun and the moon can be visible at same time? 1 Like |
Re: Why Do Countries Have Different Time Zones? by Temas: 5:21pm On Dec 27, 2020 |
Kinematics: Again the earth doesn't use 24 hours to complete a rotation on its axis. In fact, the approximate time is said to be 23hrs 56minutes and few seconds. We rounded it up to 24hrs just to make the math easier. However, using the 24hrs metric, we overshot the real natural calendar. This is the reason we have to reset it every four years. " The leap year" 2 Likes 1 Share |
Re: Why Do Countries Have Different Time Zones? by Kinematics: 5:23pm On Dec 27, 2020 |
Temas: We all know that. Thats the reason for the 1/4 or leap year. However while explaining to people that have no idea you make it simple. |
Re: Why Do Countries Have Different Time Zones? by Nobody: 5:26pm On Dec 27, 2020 |
is because we have different papa and mama na. |
Re: Why Do Countries Have Different Time Zones? by TruthSeeker1: 5:37pm On Dec 27, 2020 |
RuMiRgO1stSon:This "theory" makes a lot of sense and it's probably the truth (as opposed to some religious nonsense about creation). But it interests me to understand further what gave rise to this "vast cloud of dust and gas", what made it to collapse, what made the resulting giant disk to rotate faster and faster, and exactly how the solar system formed consequently. Thanks |
Re: Why Do Countries Have Different Time Zones? by Temas: 5:47pm On Dec 27, 2020 |
Kinematics: Meant no harm sir. Just that when it comes to science, it is better to teach complex things accurately using simple method. That way, when they learn, it is a fact. Imagine the school teacher of the other the lady who said the Sun is our only source of light in the whole universe. This teacher might have said that in the spirit of oversimplification. By the way, not all people like you admitted know about how we came about the leap year! |
Re: Why Do Countries Have Different Time Zones? by Salym(m): 5:51pm On Dec 27, 2020 |
Priapus69:More clarification. Longitudes are imaginary lines running from North Pole to South pole. GMT, which is one of the imaginary lines of Longitude and assigned a zero value or starting point, passes through London in Europe and Ghana in Africa thereby dividing the world into two: East and West. Any country to the East of GMT has a positive value depending on its location away from GMT and any country to West of GMT will have a negative value. This now determines the time of each country relative to it's position vis a vis the GMT. Now another thing is standard time. A country like Nigeria is not exactly 15 degrees East, it is something from 6 degrees to 12 degrees East. But Nigerian standard time is 1 hour ahead of GMT at Long 15 degrees East (in reality Maiduguri to the East experiences sunrise and sunset at a different time from Sokoto to the West. Larger countries like Russia, USA and Canada keep more than one standard time since they have several time zones (each 15 degree is a time zone. So you hear them saying so and so Eastern time (say New York) and so and so Western time (say California). The attached picture shows the lines of longitude passing through Nigeria. All countries with same lines passing from North to South have basically the same time. 2 Likes
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Re: Why Do Countries Have Different Time Zones? by youngblaq: 5:56pm On Dec 27, 2020 |
Bosun13:Is that right? |
Re: Why Do Countries Have Different Time Zones? by nelxxy(m): 5:57pm On Dec 27, 2020 |
Donspicey:yes, The moon passes the Sun in the sky once every 29.5 days (called New Moon) and then moves slowly away from the Sun until it's exactly opposite the Sun at Full Moon, two weeks later. At any point in these two weeks, you can see the Sun and the Moon in the afternoon sky at the same time. |
Re: Why Do Countries Have Different Time Zones? by Donspicey: 6:08pm On Dec 27, 2020 |
nelxxy: Like seriously i hv not witnessed it bfr....... Can i still see it bfr d end of dis month Does the occurence ve a particular time? |
Re: Why Do Countries Have Different Time Zones? by Salym(m): 6:15pm On Dec 27, 2020 |
SirMichael1:Wrong: time zones have nothing to do with the equator which is a line of Latitude. Times zones are related to Longitudes and as such his assertion is wrong. Don't compare time zones with days and nights. They differ in some aspects. 1 Like 1 Share |
Re: Why Do Countries Have Different Time Zones? by Nancy1986: 6:24pm On Dec 27, 2020 |
TruthSeeker1: U rotate as the earth rotate that why |
Re: Why Do Countries Have Different Time Zones? by Lekan239(m): 6:28pm On Dec 27, 2020 |
tunene66:Pls enlightened me on why at this period in UK, tge day get dark as early as 5pm. Thanks |
Re: Why Do Countries Have Different Time Zones? by TruthSeeker1: 6:31pm On Dec 27, 2020 |
Nancy1986:No, I don't rotate and neither does the earth! |
Re: Why Do Countries Have Different Time Zones? by Ustec: 6:50pm On Dec 27, 2020 |
femi4:Has your family house ever change it location and position due to earth rotation before? Explain?(20 marks) |
Re: Why Do Countries Have Different Time Zones? by tot(f): 6:51pm On Dec 27, 2020 |
ednut1: Typical JJC behaviour. Who asked you for picture? Look at the science-based responses others are providing and borrow a leaf. |
Re: Why Do Countries Have Different Time Zones? by nelxxy(m): 7:01pm On Dec 27, 2020 |
Donspicey:no |
Re: Why Do Countries Have Different Time Zones? by femi4: 7:03pm On Dec 27, 2020 |
Ustec:The earth rotates at a constant speed. As the earth moves, everything else move. Hence, no changes in the location of the family house |
Re: Why Do Countries Have Different Time Zones? by ednut1(m): 7:09pm On Dec 27, 2020 |
tot:you can kindly ignore na. I'm not the cause of your frustrations |
Re: Why Do Countries Have Different Time Zones? by dawnomike(m): 7:09pm On Dec 27, 2020 |
airsaylongcome:You are very right |
Re: Why Do Countries Have Different Time Zones? by adanny01(m): 7:12pm On Dec 27, 2020 |
TruthSeeker1: It's the moon that revolves around the earth while the earth revolves around the sun. The rotation is really slow but to explain further, if you are in a slow moving car, you can't feel the speed. Once the speeds gets to 120km/h you feel the speed, by the time it gets to around 300km/h you definitely feel G-Force acting on you like when a plane is taking off. |
Re: Why Do Countries Have Different Time Zones? by Seebrian(m): 7:35pm On Dec 27, 2020 |
Ustec:Chai, this is the same question I began to ask myself o. More insight on this question please. |
Re: Why Do Countries Have Different Time Zones? by Udapod(m): 7:38pm On Dec 27, 2020 |
dawnomike:You are absolutely correct! |
Re: Why Do Countries Have Different Time Zones? by Udapod(m): 7:44pm On Dec 27, 2020 |
TruthSeeker1:Chai! Sorry!! we are in an inertial frame of refrence so u cant feel it. 1 Like |
Re: Why Do Countries Have Different Time Zones? by Seebrian(m): 7:49pm On Dec 27, 2020 |
femi4:Yet to understand this explanation o. |
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