before last

before last

Before the last such time period. This phrase is usually used with quantities of time, such as years, months, and weeks. I can't believe that Aunt Marie is in the hospital. I just talked to her the week before last, and she was totally fine! I got my degree the year before last.
See also: before, last
Farlex Dictionary of Idioms.

the day, week, month, etc. before ˈlast

the day, week, etc. just before the most recent one; two days, weeks, etc. ago: I haven’t seen him since the summer before last.
See also: before, last
Farlex Partner Idioms Dictionary
See also:
  • at all hours
  • at all hours (of the day and night)
  • any time
  • anytime
  • arrow of time
  • bout
  • (it's) (a)bout time
  • about time
  • along about
  • a week from next Tuesday