a red letter day
red-letter day
A very important or significant day. My college graduation was a real red-letter day for my whole family.
Farlex Dictionary of Idioms.
a red letter day
a pleasantly memorable, fortunate, or happy day.In Church calendars, a saint's day or church festival was traditionally distinguished by being written in red letters.
See also: letter, red
Farlex Partner Idioms Dictionary
- a red-letter day
- all day long
- day by day
- just another day at the office
- from day to day
- make a day of (doing something)
- make a day of doing
- make a day of it
- any day now
- any minute, day, time, etc. now