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How Many Days Until Winter Solstice 2027?
443 days left.
Winter Solstice is on Tuesday, December 21, 2027.
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443
days
Winter Solstice
Outside
300k+ downloads · Free iPhone app with home screen widgets.
There are 443 days until Winter Solstice 2027, which falls on Tuesday, December 21, 2027. That is 63 weeks and 2 days away, or roughly 14 months. Winter Solstice is an astronomical event whose exact date and time can be calculated years in advance from precise celestial mechanics.
Use the date above to set a reminder or calendar entry. If Winter Solstice 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 | Tuesday, December 21, 2027 |
|---|---|
| Days remaining | 443 |
| Weeks remaining | 63 |
| Months remaining | ~14 |
Last updated October 4, 2026
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When and How to See Winter Solstice
Astronomical events follow precise, predictable celestial mechanics — the alignment of the Sun, Earth, and Moon, or Earth's position in its orbit. That predictability is what lets Winter Solstice 2027 be calculated to the exact date and time years in advance.
Many of these events reward a little preparation: a clear sky, a dark spot away from city lights, and good timing. Eclipses and meteor showers are visible only from certain regions or at certain hours, so it is worth checking visibility for your location. A countdown ensures you set aside the evening before the moment passes — some of these events will not repeat for years.
Frequently Asked Questions
How many days until Winter Solstice?
There are 443 days until Winter Solstice 2027, which falls on Tuesday, December 21, 2027. That's 63 weeks, or roughly 15 months, from today.
When is Winter Solstice 2027?
Winter Solstice 2027 is on Tuesday, December 21, 2027 — 443 days from today. Add it to your calendar or set up a free countdown widget on your iPhone home screen with the Outside app.
How can I see Winter Solstice 2027?
To see Winter Solstice 2027 you generally want a clear sky, a dark location away from city lights, and the right timing. Some events are visible only from certain regions or at specific hours, so check visibility for your location.
Is there a free Winter Solstice countdown app?
Yes. Outside is a free iPhone app with a Winter Solstice 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 Solstice?
Winter Solstice 2027 is 63 weeks and 2 days away — roughly 15 months from now. Set a reminder so the day doesn't slip past you.
