20 weeks and 2 days
See how many days are left until the astronomical start of autumn 2026 in the Northern Hemisphere.
About this countdown
This page uses the astronomical start of autumn as a simple seasonal reference. It is useful for school planning, fall events and holiday preparation.
Meteorological autumn starts on September 1. Use the Days Until Calculator if you prefer that date.
Need a different date? Open the general Days Until Calculator and enter any date you want.
How this page calculates the result
The page compares today’s calendar date with the target date and counts full calendar days between the two dates. The live tiles also show a browser-based clock that updates every second in the visitor’s local time.
If your planning depends on a local calendar, school calendar or official schedule, use this page as a quick reference and confirm the date with the original source.
Why calendar-day countdowns are useful
Calendar-day countdowns are simple enough for everyday planning. They help with reminders, travel preparation, family events, school dates, gift planning and personal goals.
For custom milestones, the main Date Milestones calculators let you enter your own dates without creating an account.
Frequently asked questions
How many days are left until September 22, 2026?
The result is updated automatically from today’s date and counts full calendar days until the selected date.
Does this page store my date?
No. This page uses a fixed public date and today’s date. The Date Milestones calculators are designed for browser-based calculations and do not create personal accounts.
Can I calculate a different date?
Yes. Use the related calculator linked on this page to enter any custom date.