Chinese New Year Snake. Many online Chinese Sign calculators do not account for the non-alignment of the two calendars, using Gregorian-calendar years rather than official Chinese New Year dates. One scheme of continuously numbered Chinese-calendar years assigns 4709 to the year beginning, 2011, but this is not universally accepted; the calendar is traditionally cyclical, not continuously numbered. Although the Chinese calendar traditionally does not use continuously numbered years, outside China its years are sometimes numbered from the purported reign of the mythical Yellow Emperor in the 3rd millennium BCE. But at least three different years numbered 1 are now used by various scholars,
Leap year the Revised Julian calendar. This rule gives an average year length of 365.242222 days. This is a very good approximation to the "mean" tropical year, but because the "vernal equinox" year is slightly longer, the Revised Julian calendar for the time being does not do as good a job as the Gregorian calendar at keeping the vernal equinox on or close to March 21. The Chinese calendar is lunisolar, so a leap year has an extra month, often called an "embolismic" month after the Greek word for it. In the Chinese calendar the leap month is added according to a