Chinese Zodiac Hours: 12 Two-Hour Animal Periods Explained
Chinese zodiac hours divide the day into 12 traditional two-hour periods. Each period has an Earthly Branch and a zodiac animal, beginning with Rat hour from 23:00 to 00:59.
This page explains the hour system as a cultural time layer. For quick lookup by birth time, use the separate Chinese Zodiac Hour Calculator.
Chinese zodiac hours quick answer
Chinese zodiac hours are the 12 traditional two-hour periods of the day. They follow the Earthly Branch order: Zi Rat, Chou Ox, Yin Tiger, Mao Rabbit, Chen Dragon, Si Snake, Wu Horse, Wei Goat, Shen Monkey, You Rooster, Xu Dog, and Hai Pig.
One “zodiac hour” is not 60 minutes. It is a two-hour period. Zi hour, linked with Rat, begins at 23:00 and crosses midnight.
The day is divided into 12 named periods.
Each traditional hour covers about two clock hours.
Each hour has an Earthly Branch and zodiac animal.
The 12 Chinese zodiac hours table
The table below gives the common modern time ranges used for simple cultural lookup. More technical chart systems may handle time zones, birthplace, and date boundaries differently.
| Modern time | Chinese hour | Earthly Branch | Animal | Cultural image |
|---|---|---|---|---|
| 23:00–00:59 | Zi hour 子时 | 子 zǐ | Rat 鼠 | Hidden beginning, alertness, midnight turning point. |
| 01:00–02:59 | Chou hour 丑时 | 丑 chǒu | Ox 牛 | Deep night, endurance, stored strength. |
| 03:00–04:59 | Yin hour 寅时 | 寅 yín | Tiger 虎 | Pre-dawn force, awakening, courage. |
| 05:00–06:59 | Mao hour 卯时 | 卯 mǎo | Rabbit 兔 | Dawn softness, careful movement, gentle timing. |
| 07:00–08:59 | Chen hour 辰时 | 辰 chén | Dragon 龙 | Morning expansion, momentum, larger intention. |
| 09:00–10:59 | Si hour 巳时 | 巳 sì | Snake 蛇 | Focus, observation, privacy, discernment. |
| 11:00–12:59 | Wu hour 午时 | 午 wǔ | Horse 马 | Midday brightness, movement, open energy. |
| 13:00–14:59 | Wei hour 未时 | 未 wèi | Goat 羊 | Afternoon care, support, emotional texture. |
| 15:00–16:59 | Shen hour 申时 | 申 shēn | Monkey 猴 | Agility, adaptation, clever problem-solving. |
| 17:00–18:59 | You hour 酉时 | 酉 yǒu | Rooster 鸡 | Evening order, clarity, refinement. |
| 19:00–20:59 | Xu hour 戌时 | 戌 xū | Dog 狗 | Night guarding, loyalty, protection. |
| 21:00–22:59 | Hai hour 亥时 | 亥 hài | Pig 猪 | Rest, sincerity, closure, inward return. |
Need a direct result? Use the Chinese Zodiac Hour Calculator.
Why Rat hour begins the day
In the branch-hour system, the first period is Zi hour 子时. It begins at 23:00 and runs across midnight. This makes Rat hour feel unusual if you expect a day to begin at 00:00.
Zi hour is often read as a hidden beginning: the day has not visually started, but the cycle has already turned. This is a time-structure idea, not a claim that everyone born at night has the same personality.
How birth time is read in this system
Your birth hour animal is the animal linked with the two-hour period in which you were born. For example, someone born at 11:30 a.m. falls in Wu hour 午时, the Horse hour.
This hour animal does not replace the birth-year zodiac sign. It is another time layer. A person may be born in a Dragon year and a Horse hour, or in a Snake year and a Rat hour.
The public zodiac sign most people know.
A traditional month-layer branch animal.
The two-hour period branch animal.
Zodiac hours are not a full BaZi chart
Chinese zodiac hours are often mentioned in BaZi or Four Pillars discussions, but a full chart is more complex. It uses year, month, day, and hour pillars, and serious calculation may also consider birthplace, time zone, solar terms, and date-boundary rules.
It explains the 12 traditional hour branches and animal associations. It does not provide fortune-telling, medical advice, relationship advice, or a complete astrology chart.
How zodiac hours connect with Earthly Branches
The hour animals come from the 12 Earthly Branches. The animals make the branch sequence easier to remember, but the branch system is the deeper time structure.
This is the same branch-animal order used in zodiac years, zodiac months, and the broader 60-year cycle.
For the complete structure, read Heavenly Stems and Earthly Branches. For month branches, read Chinese Zodiac Months.
Common mistakes
- Thinking a zodiac hour is 60 minutes. It is a two-hour period.
- Starting the cycle at midnight. Zi hour begins at 23:00.
- Replacing the birth-year sign with the hour sign. They are different layers.
- Using the hour table as a full BaZi chart. Full chart work needs more information.
- Ignoring exact time near boundaries. A few minutes can move the result into the next period.
- Treating the result as scientific personality measurement. It is a cultural time label.
FAQ
What are Chinese zodiac hours?
Chinese zodiac hours are 12 traditional two-hour periods of the day. Each period is linked with an Earthly Branch and a zodiac animal.
How long is a Chinese zodiac hour?
One Chinese zodiac hour is about two modern clock hours.
What is Rat hour?
Rat hour is Zi hour 子时, usually 23:00–00:59.
What is Horse hour?
Horse hour is Wu hour 午时, usually 11:00–12:59.
Is my zodiac hour the same as my zodiac year?
No. Your zodiac year comes from your birth year, while your zodiac hour comes from your birth time.
Can I calculate my zodiac hour by birth time?
Yes. Use the Chinese Zodiac Hour Calculator to map your birth time to the correct two-hour period.
Next steps
Editorial note
This page explains the traditional Chinese zodiac hour system as a cultural and calendar reference. It does not calculate a full BaZi chart and does not present zodiac-hour meanings as scientific personality categories.