World Geography
India's major contacts with out-side world for the last two millennia have been by sea there-by earning the title for India:

The Mistress of the Eastern Seas
The Mistress of the Southern Seas
The Mistress of the Western Seas
The Mistress of the Northern Seas

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World Geography
The period of daylight

All of these
is nearly constant near the equator
varies with latitude and the season
reaches a maximum of 24 hour in the polar zones in summer

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