noun #32,250

Meanings

  1. 1 the sixth of the twelve Earthly Branches (associated with the Snake)
  2. 2 the hours 9-11 a.m. (in the traditional Chinese double-hour system)
  3. 3 the fourth lunar month

Examples

Jīnnián shì xīn sì nián.
This year is the year of Xīn-Sì (in the sexagenary cycle).
Gǔrén zài sìshí kāishǐ chǔlǐ gōngwù.
The ancients started attending to official business at the Sì hour (9-11 a.m.).

Tips

culture
Sixth of the 十二 (twelve Earthly Branches), paired with the snake () in the zodiac. Combined with the ten Heavenly Stems (), forms part of names for years (, …), months, and double-hours in the traditional sexagenary calendar. The double-hour covers 9-11 a.m.
mistakes
Visually nearly identical to (yǐ, 'already') and (jǐ, 'self') — students mix them up constantly. Mnemonic: is fully closed at the top (a snake curled in an egg, sealed shut); is half-open; is fully open. The folk rhyme is 「开口闭口」.

Stroke Order