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,
Solar Hijri calendar year should be the first day of spring in "the true solar year", "as it has been" ever so. It also fixed the number of days in each month, which previously varied by year with the sidereal zodiac. It revived the ancient Persian names, which are still used. It specified the origin of the calendar (Hegira of Muhammad from Mecca to Medina in 622 CE). It also deprecated the 12-year cycles of the Chinese-Uighur calendar which were not officially sanctioned but were commonly used. The first six months (Farvardin–Shahrivar) have 31 days, the next five (Mehr–Bahman) have 30 days, and