auspicious day; good day; lucky day
A formal or literary term for a day that is considered favorable, lucky, or beautiful, often used in contexts like wedding dates or ceremonial occasions.
We chose an auspicious day for the wedding.
Today is truly a beautiful day.
大安 refers specifically to the most auspicious day in the six-day Buddhist calendar cycle, while 佳日 is a general term for a good day.
Standard kanji spelling; 佳 carries a sense of 'auspicious, beautiful'.
Variant kanji spelling; 嘉 also means 'auspicious, good' but is less common.
From 佳 (auspicious, beautiful) + 日 (day). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning of a favorable day.