noun
A calendar based on the Earth's revolution around the sun, such as the Gregorian calendar. Often contrasted with 太陰暦 (lunar calendar).
現在、多くの国で太陽暦が使われている。
Currently, the solar calendar is used in many countries.
Compound of 太陽 (taiyō, 'sun') + 暦 (reki, 'calendar').