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How Many Days Until Winter 2028?
809 days left.
Winter is on Thursday, December 21, 2028.
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809
days
Winter
Outside
300k+ downloads · Free iPhone app with home screen widgets.
There are 809 days until Winter 2028, which falls on Thursday, December 21, 2028. That is 115 weeks and 4 days away, or roughly 26 months. Winter is an astronomical season that begins at a solstice or equinox, the precise moment Earth's tilt reaches a turning point.
Use the date above to set a reminder or calendar entry. If Winter has an official organizer or observing authority, check its latest information before making bookings because times, venues, and local observance details can change. You can also add a free Outside countdown widget to your iPhone home screen; it updates every day and can be shared with other people.
| Date | Thursday, December 21, 2028 |
|---|---|
| Days remaining | 809 |
| Weeks remaining | 115 |
| Months remaining | ~26 |
Last updated October 4, 2026
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The Science Behind Winter
Seasons are driven by the tilt of Earth's axis — roughly 23.5 degrees — not by how close the planet is to the Sun. As Earth orbits, each hemisphere leans toward or away from the Sun, changing the angle of sunlight and the length of the day. The astronomical start of a season is pinned to a solstice or an equinox, the precise moment that geometry reaches a turning point.
That is why the start of Winter 2028 lands on a specific date and even a specific time, rather than the first of a month. Equinoxes bring near-equal day and night worldwide; solstices mark the longest or shortest day of the year. Knowing the exact changeover is useful for gardeners, photographers, and anyone tracking daylight hours.
Frequently Asked Questions
How many days until Winter?
There are 809 days until Winter 2028, which falls on Thursday, December 21, 2028. That's 115 weeks, or roughly 27 months, from today.
When is Winter 2028?
Winter 2028 is on Thursday, December 21, 2028 — 809 days from today. Add it to your calendar or set up a free countdown widget on your iPhone home screen with the Outside app.
What causes Winter to begin?
Winter begins because of the 23.5-degree tilt of Earth's axis. As the planet orbits the Sun, each hemisphere leans toward or away from it, changing sunlight and day length. The season's astronomical start is pinned to a solstice or equinox.
Is there a free Winter countdown app?
Yes. Outside is a free iPhone app with a Winter countdown widget for your home screen. Countdowns and standard widgets are free. Features such as custom reminders and calendar sync may require Outside Pro.
How long until Winter?
Winter 2028 is 115 weeks and 4 days away — roughly 27 months from now. Set a reminder so the day doesn't slip past you.