International hnub kab yog dab tsi?
International hnub kab yog dab tsi?

Video: International hnub kab yog dab tsi?

Video: International hnub kab yog dab tsi?
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Anonim

Cov International hnub kab yog txhais raws li kev xav kab uas mus rau sab qaum teb thiab sab qab teb dhau los ntawm Dej Hiav Txwv Pacific, muaj ib hnub nyob rau sab hnub tuaj ntawm tus kab thiab hnub tom qab yog nyob rau sab hnub poob.

Ib yam li ntawd ib tug yuav nug, dab tsi yog lub ntsiab lus ntawm cov hnub thoob ntiaj teb?

Cov International hnub kab yog txhais raws li kev xav kab uas mus rau sab qaum teb thiab sab qab teb dhau los ntawm Dej Hiav Txwv Pacific, muaj ib hnub nyob rau sab hnub tuaj ntawm tus kab thiab hnub tom qab yog nyob rau sab hnub poob.

Ib tug kuj yuav nug, lub teb chaws twg nyob rau thoob ntiaj teb hnub kab? International Dateline Nco ntsoov yuav ua li cas nws khoov kom suav nrog tag nrho ntawm Kiribati, Samoa, Tonga thiab Tokelau nyob rau sab hnub tuaj Hemisphere. Tam sim ntawd mus rau sab laug ntawm lub International Date Line , cov hnub yog ib txwm ib hnub ua ntej ntawm hnub (los yog hnub) tam sim ntawd mus rau sab xis ntawm lub International Date Line nyob rau sab hnub poob Hemisphere.

Ua li no, kab hnub thoob ntiaj teb yog dab tsi thiab vim li cas nws thiaj xav tau?

Cov International Date Line muab tus qauv txhais tau tias ua tus xav tau kev hloov kho: cov neeg taug kev mus rau sab hnub tuaj hla lub kab muab lawv daim ntawv qhia hnub rov qab rau ib hnub, thiab cov neeg taug kev mus rau sab hnub poob tau teem sijhawm ib hnub ua ntej.

Dab tsi yog longitude ntawm hnub thoob ntiaj teb kab?

Lub sijhawm khaws cia los ntawm kev xav kab khiav hla Greenwich, England, hu ua Prime Meridian. Cov International Date Line yog kev xav kab nyob ib nrab ntawm lub ntiaj teb ntawm kwv yees li 180 degrees longitude uas cais ib hnub los ntawm lwm yam.

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