subsolar
Adjective
Meaning
directly beneath the sun
between the tropics; equatorial
Source: en.wiktionary.orgSynonyms
Phrases with the word
Examples
In other words, the equinoxes are the only times when the subsolar point is on the equator, meaning that the Sun is exactly overhead at a point on the equatorial line.
Compared to the rest of the planet’s atmosphere, the subsolar region was highly active and irregular.
The subsolar point will cross every latitude between these two extremes exactly twice per year.