What date was 30 days ago?
The exact date 30 days ago, worked out for your today, with the weekday, the working days in between and a calendar.
- 100% free
- Runs in your browser
- No uploads
30 days ago
Friday, September 11, 2026
That was 30 days before today (4 weeks and 2 days).
- Date
- 2026-09-11
- Working days (Mon–Fri)
- 21
- Weekend days
- 9
- Day of the year
- 254
- Week number (ISO)
- 37
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 |
- Runs on your deviceEvery tool works directly in your browser. No files are uploaded.
- Your privacy mattersYour files never leave your device, so there's nothing for us to store.
- No limitsUse any tool as much as you need. No daily caps, no waiting.
- Completely freeNo signup and no trial to cancel. Ads keep the tools free.
How 30 days ago is counted
Today is day 0. Going back 30 days gives the date in the box above, worked out on your device for your time zone, so it's right wherever you are.
For example, from Sunday, October 11, 2026, 30 days earlier is Friday, September 11, 2026.
Need a different start? Pick a date under “Count from another date”, or use the date calculator for any mix of years, months, weeks and days.
30 days in other units
| Weeks | 4 weeks and 2 days |
|---|---|
| Months (average) | about 1 |
| Hours | 720 |
| Minutes | 43,200 |
When people count 30 days
30 days comes up often for:
- A 30-day notice period.
- A 30-day return window or free trial.
- Invoices with net-30 payment terms.
Rules for visas, contracts and notice periods vary, so check how your own deadline is counted.
Other dates people look up
Frequently asked questions
Does "30 days ago" count today?
No. Today is day 0, and the date 30 days ago is the day you reach by going back 30 days from today. If you count today as day 1, tick that box above and the date moves one day closer to today.
How many weeks is 30 days?
30 days is 4 weeks and 2 days, or about 1 months.
How many working days is 30 days ago?
The answer box shows the Monday-to-Friday days between today and that date, counting the days after today back to the date. It changes with the day of the week you start on. Public holidays aren't removed, so subtract any that fall in between.
What date is 30 days from today?
See 30 days from today for the date the same distance ahead, or use the date calculator to add or subtract any number of days, weeks, months or years.