ग्रीनविच मीन टाइम

grinavich min taim ka abhipray us samay se hai, jo gret briten ka manak samay hai. ianglaiannd ke nikat shoony deshantar par sthit 'grinavich' namak sthan se gujarane vali kalpanik rekha ko 'praim mairidiyan' ya 'shoony deshantar' kahate haian. isi deshantar rekha ke samay ko sabhi desh manak samay manate haian. yah gret briten ka manak samay hai, jise 'grinavich min taim' kahate haian.

• vibhinn deshoan ki samay paddhatiyoan mean apasi sambandh darshane ke lie 'manak samay paddhati' prarambh ki gayi hai.
• is prayojan ke lie sampoorn prithvi ko 24 deshantar kshetroan mean baanta gaya hai.
• pratyek 'jon' 15° ke barabar nirdharit kiya gaya hai.
• 12vean jon ko 180vean yamyottar rekha yani 'antarrashtriy tithi rekha' se baanta gaya hai.
• 180° deshantar ko 1884 ee. mean vashiangatan sabha mean 'antarrashtriy tithi rekha' mana gaya hai.
• yah prashant mahasagar ke uttar-dakshin tak phaili ek tedhi-medhi rekha hai.
• yadi 0° se poorv ko 180° deshantar par karean, to 12 ghante jo dane hoange.
• isi prakar 0° deshantar se pashchim ko 180° deshantar par karean, to 12 ghante ghatane p deange.

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

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sanbandhit lekh

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