KnowraSolar yearLinked fromLinked fromThe 9 pages that link to Solar year, each with the reason it gives.All 9Related 4Narrower topic 2Compared with 3Gregorian calendarRelated: The calendar’s average year approximates this seasonal cycle.Zu ChongzhiRelated: Estimating the year’s length was essential to the accuracy of Zu Chongzhi’s calendar.Guo ShoujingRelated: Accurate measurement of the solar year was essential to the Shoushi calendar’s seasonal alignment.OctoberRelated: The Gregorian calendar’s month lengths, including October’s, approximate this cycle.