# day of days

idiom

Source: https://englishreference.com/idiom/day-of-days
Updated: 2026-08-10

## Meaning

A particularly noteworthy day; the day on which a milestone or especially memorable event occurs.

## Examples

- Today is a day of days for our family.
- With the graduation ceremony and the big party afterward, today is truly a day of days.
- After years of tireless preparation and anticipation, the wedding ceremony arrived, proving itself to be a day of days that they would cherish forever.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.