How it's counted
Days since are counted from the date to today, not including the date itself.
In a spreadsheet
In Excel or Google Sheets, type =EDATE(TODAY(),-1) and format the cell as a date. EDATE keeps the same day of the month, or uses the last day when that month is shorter.
1 month before other dates
| Starting from | 1 month earlier |
|---|---|
| Mon, Oct 5 (today) | Saturday, September 5, 2026 |
| Sun, Oct 4 | Friday, September 4, 2026 |
| Sat, Oct 3 | Thursday, September 3, 2026 |
| Fri, Oct 2 | Wednesday, September 2, 2026 |
| Thu, Oct 1 | Tuesday, September 1, 2026 |
| Wed, Sep 30 | Sunday, August 30, 2026 |
| Tue, Sep 29 | Saturday, August 29, 2026 |
Months ago
1 month agoSat, Sep 52 months agoWed, Aug 53 months agoSun, Jul 54 months agoFri, Jun 55 months agoTue, May 56 months agoSun, Apr 59 months agoMon, Jan 512 months agoSun, Oct 5, 202518 months agoSat, Apr 5, 202524 months agoSat, Oct 5, 2024
Frequently asked questions
What day is 1 month ago?
1 month ago was Saturday, September 5, 2026.
What day of the week is 1 month ago?
It was a Saturday.
What was the date 1 month ago?
Saturday, September 5, 2026. The date moves forward by one day every day, so this page always counts from today.
How many weeks is 1 month?
30 calendar days is 4.3 weeks.