A tropical year or solar year (or tropical period) is the time that the Sun takes to return to the same position in the sky – as viewed from the Earth or another celestial body of the Solar System – …

太阳年（solar year），是由地球上观察，太阳平黄经变化360°，即太阳再回到黄道（在天球上太阳行进的轨道）上相同的点所经历的时间。 相对于分点和至点，精确的时间取决于你在黄道上 …

The oldest solar calendars include the Julian calendar and the Coptic calendar. They both have a year of 365 days, which is extended to 366 once every four years, without exception, so have …

A tropical year, also known as a solar year, an astronomical year, or an equinoctial year, is, on average, approximately 365 days, 5 hours, 48 minutes and 45 seconds long (365.24219 …

恒星年(sidereal year)，属于恒星时间计量系统，是太阳在黄道上的视位置相对遥远恒星变化360°所经历的时间。也相当于地球相对于遥远恒星在绕太阳公转轨道上运行360°所经历的时间。

回歸年 （tropical year），也稱為 太陽年 （solar year），是由 地球 上觀察，太阳平 黄经 变化360°，即 太陽 再回到 黃道 （在 天球 上太陽行進的軌道）上相同的點所經歷的時間。 相對於 …

The solar year (365 days 5 hours 48 minutes 46 seconds), also called tropical year, or year of the seasons, is the time between two successive occurrences of the vernal equinox (the moment …

SOLAR YEAR翻译：太阳年（地球绕太阳旋转一周所需的时间，稍多于365天）。 了解更多。

The exact length of a Tropical Year (complete orbit) can vary up to 30 minutes. A tropical year is also known as a solar year, an astronomical year, or an equinoctial year. It is defined as the …

The Solar New Year is the beginning of the solar calendar year. This event is observed at different times of year and with varying practices in cultures across the globe. The most common bases …