己 vs 已 vs 巳

己 vs 已 vs 巳: Three Similar Characters

Detailed Breakdown

Self, oneself

Grammar Pattern

自己 (oneself) / 知己 (close friend)

Examples

  • 自己

    zìjǐ

    oneself

  • 知己

    zhījǐ

    close friend (one who knows you)

  • 各人自扫门前雪

    gè rén zì sǎo mén qián xuě

    each person sweeps their own doorstep

Already, to cease

Grammar Pattern

已经 (already) / 已 + Verb

Examples

  • 已经

    yǐjīng

    already

  • 我已经吃了

    wǒ yǐjīng chī le

    I have already eaten

  • 木已成舟

    mù yǐ chéng zhōu

    what's done is done (the wood has become a boat)

6th Earthly Branch (9-11am, snake)

Grammar Pattern

巳时 (9-11am) / 巳蛇 (snake zodiac)

Examples

  • 巳时

    sì shí

    9-11am (traditional time)

  • 巳蛇

    sì shé

    snake (in Chinese zodiac)

  • 上午九点是巳时

    shàngwǔ jiǔ diǎn shì sì shí

    9am is the hour of the snake

Side-by-Side Comparison

Comparison of 己, 已, 巳 - key differences
Aspect
Meaningselfalready6th branch
Pronunciationjǐ (3rd)yǐ (3rd)sì (4th)
Openingfully open 己half closed 已fully closed 巳
Common word自己已经巳时

Memory Tips

  • 己 is fully OPEN - "self" is open/exposed
  • 已 is half CLOSED - something has "already" happened (partially done)
  • 巳 is fully CLOSED - like a coiled SNAKE (巳 = snake zodiac)

Common Mistakes

自已
自己

"Oneself" uses 己 (fully open) not 已

己经
已经

"Already" uses 已 (half closed) not 己

Using 巳 in daily writing
己 or 已

巳 is rare - only for zodiac/traditional time. Most likely you need 己 or 已

Frequently Asked Questions

How do I remember 己 vs 已 vs 巳?

Look at the opening: 己 is fully open (self is exposed), 已 is half-closed (already done), 巳 is fully closed (like a coiled snake). The more closed, the later in the sequence.

Which one is most common?

己 and 已 are very common. 己 appears in 自己 (oneself). 已 appears in 已经 (already). 巳 is rare - mainly used for Chinese zodiac (snake) or traditional time-keeping.

Related Comparisons

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