Why Your Chinese Zodiac Year Starts at LiChun, Not Lunar New Year

The short answer

In BaZi (Four Pillars of Destiny), the year pillar — and therefore your zodiac animal — changes at LiChun (立春, "start of spring"), not at Lunar New Year. LiChun is a solar-calendar point that falls on February 3–4 in the current era, while Lunar New Year swings between January 21 and February 20. Anyone born between the two dates in a given year can easily be assigned the wrong zodiac animal — and with it, an entirely wrong chart.

This is one of the most common sources of incorrect BaZi charts online, because many casual calculators use Lunar New Year as the boundary.

Exact LiChun moments, 2024–2032

LiChun is an astronomical instant — the moment the sun reaches celestial longitude 315° — not just a date. The times below (China Standard Time, UTC+8) are computed with the same astronomical calendar engine our free BaZi calculator uses:

|------|--------------|

Born on February 4, 2026 at 03:00? You belong to the previous year's pillar — LiChun arrived at 04:02 that morning. One hour matters.

Why BaZi uses the solar calendar

BaZi is built on the ganzhi (sexagenary) calendar, which tracks the sun, not the moon:

• Year pillar — changes at LiChun, the first of the 24 solar terms.
• Month pillar — changes at each of the twelve "節" (major solar terms): LiChun, JingZhe, QingMing, LiXia, and so on. Lunar months and leap months play no role at all.
• Day pillar — follows the continuous 60-day ganzhi cycle, unbroken for millennia.
• Hour pillar — assigns one earthly branch to each two-hour interval of the day.

The lunar calendar (with its leap months) governs festivals and traditional birthdays. The solar-term calendar governs BaZi. Zi Wei Dou Shu, by contrast, genuinely uses the lunar date — one more reason the two systems can classify the same birth differently.

Three practical consequences

1. January and early-February births are high-risk. If you were born between January 21 and February 20, verify which side of LiChun you fall on before trusting any chart.
2. "Year of the X" marketing is usually off by days. Zodiac-year merchandise follows Lunar New Year; BaZi practice does not.
3. A leap month never changes a BaZi chart. Because months follow solar terms, the lunar leap month that confuses so many people is simply irrelevant to Four Pillars.

Frequently asked questions

Does everyone agree the year starts at LiChun?

The LiChun rule is the mainstream convention in classical and modern BaZi practice. A minority of practitioners use Lunar New Year; our calculator follows the LiChun standard and states it openly.

What if I was born outside China?

Convert your local birth time to the birth place's clock time and compare it against the LiChun instant in that time zone. The pillars are defined by the astronomical moment, which is the same worldwide.

Where can I check my own boundary case?

Enter your birth data in our free BaZi calculator — it applies the LiChun and solar-term boundaries automatically and shows the resulting pillars.