Respuesta :

The solar calendar would have been the most useful.

Solar Calendar is most the useful calendar in predicting the beginning of the rainy seasons.

Solar Calendar

  • It is defined as a calendar whose dates indicates the seasons of the world.
  • It shows the possible positions of our sun in the solar system, which helps us to predict seasons.
  • Example :  Gregorian calendar

The position of the sun can be predicted by the solar calendar which can be helpful to indicate the seasons of the world accurately.

Thus, using a solar calendar, we can predict the beginning of rainy season.

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https://brainly.com/question/21416536

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