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 =TODAY()-13 and format the cell as a date. To count from a different start date, use the date calculator.
13 days before other dates
| Starting from | 13 days earlier |
|---|---|
| Tue, Oct 13 (today) | Wednesday, September 30, 2026 |
| Mon, Oct 12 | Tuesday, September 29, 2026 |
| Sun, Oct 11 | Monday, September 28, 2026 |
| Sat, Oct 10 | Sunday, September 27, 2026 |
| Fri, Oct 9 | Saturday, September 26, 2026 |
| Thu, Oct 8 | Friday, September 25, 2026 |
| Wed, Oct 7 | Thursday, September 24, 2026 |
Days ago
Frequently asked questions
What day is 13 days ago?
13 days ago was Wednesday, September 30, 2026.
What day of the week is 13 days ago?
It was a Wednesday.
What was the date 13 days ago?
Wednesday, September 30, 2026. The date moves forward by one day every day, so this page always counts from today.
How many weeks is 13 days?
13 calendar days is 1.9 weeks.
What date is 13 days from today?
Monday, October 26, 2026.
Does "13 days ago" include today?
No. Today is day 0, so the count starts from tomorrow (or yesterday, for dates in the past).
How do I work out 13 days ago in Excel or Google Sheets?
Type =TODAY()-13 and format the cell as a date.
How many business days are in 13 days?
From today it is 9 weekdays (Monday to Friday), before public holidays.