What's the adjective for solar? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs solarize and solarise which may be used as adjectives within certain contexts.
solar
Of or pertaining to the sun; proceeding from the sun
(astrology, obsolete) Born under the predominant influence of the sun.
Measured by the progress or revolution of the sun in the ecliptic; as, the solar year.
Produced by the action of the sun, or peculiarly affected by its influence.