When in Thai

“When” in Thai is เมื่อไหร่mûea-rài; you'll also hear ตอนที่dtawn-tîi (when, while (telling)).

เมื่อไหร่ mûea-rài

when question word asking

  • mûea falling
  • rài low
  • Falling: start high and drop clearly, like a firm “No!”
  • Low: flat and lower than your normal voice, dropping a little at the end.

Usually at the end: ไปเมื่อไหร่bpai mûea-rài (when are you going?).


ตอนที่ dtawn-tîi

when, while (at the time that) conjunction when, while (telling)

  • dtawn mid
  • tîi falling
  • Falling: start high and drop clearly, like a firm “No!”

ตอนdtawn goes with a time (ตอนเที่ยงdtawn tîang, at noon); ตอนที่dtawn-tîi goes with a whole action: ตอนที่ดำน้ำdtawn-tîi dam-náam (while I was snorkelling). In casual speech the ที่tîi often drops: ตอนดำน้ำdtawn dam-náam.

How to use it

Ask with เมื่อไหร่mûea-rài, usually at the end: ไปเมื่อไหร่bpai mûea-rài, when are you going? To say when something happens, use ตอนที่dtawn-tîi at the start: "when I was a child…". For a time of day, กี่โมงgìi moong asks "what time?".

Other spellings you'll see

There's no single official way to write Thai in English letters. We mark the tone of every syllable; online you'll also find:

  • meua rai
  • mua rai

More small words in Thai

All small words
  • ผม pǒm I

    I, me (male speaker)

  • คุณ kun You
  • เขา kǎo He, she
  • เรา rao We

    we, us

  • พวกเขา pûak-kǎo They

    they, them

  • ทุกคน túk kon Everyone

    everyone, everybody

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Written by the Learn Thai For Free team
Audio: AI voices, quality-checked for tones