大安(たいあん)

たいあん
noun
lucky day; auspicious day
1. lucky day; auspicious day; most favorable day
The most auspicious day in the traditional Japanese six-day calendar cycle (六曜 rokuyo). Considered the best day for weddings, business openings, and other important events.
結婚式(けっこんしき)は大安(たいあん)の日(ひ)にした。
We held the wedding on an auspicious day.
大安(たいあん)の日(ひ)は結婚式場(けっこんしきじょう)の予約(よやく)が取(と)りにくい。
It's hard to book wedding venues on auspicious days.
新(あたら)しいお店(みせ)の開店日(かいてんび)を大安(たいあん)に合(あ)わせて決(き)めた。
We chose the opening day for the new shop to coincide with an auspicious day.

CULTURAL NOTE:
大安(たいあん) is part of the 六曜(ろくよう) (six-day cycle) calendar system used in Japan for fortune-telling. The six days are: 大安(たいあん) (most lucky), 友引(ともびき) (partly lucky), 先勝(せんしょう) (morning lucky), 先負(せんぶ) (afternoon lucky), 赤口(しゃっこう) (mostly unlucky), and 仏滅(ぶつめつ) (most unlucky). Many Japanese calendars still include these designations.

COMMON COLLOCATIONS:

  • 大安(たいあん)の日(ひ) (an auspicious day)
  • 大安(たいあん)に合(あ)わせる (to schedule for a lucky day)
  • 大安(たいあん)吉日(きちじつ) (auspicious and lucky day — formal set phrase)

Related Words

Contrast: 仏滅(ぶつめつ) (unlucky day)
general
Added 2026.3.14 15:28 · Revised 2026.3.29 19:42
16500/16753_taian