Never miss an important date
When is Winter Solstice 2027?
Winter Solstice 2027 is on Tuesday, December 21, 2027 — that's 505 days (72 weeks) from today.
Below you'll find the exact date, the day of the week, a live countdown, and everything you need to plan ahead — plus a free iPhone widget that keeps Winter Solstice on your home screen.
505
days
Winter Solstice
Outside
Free iPhone app with home screen widgets. Used by 300k+ people.
Winter Solstice 2027 Dates & Schedule
| Date | Tuesday, December 21, 2027 |
|---|---|
| Day of week | Tuesday |
| Countdown | 505 days (72 weeks) |
Winter Solstice 2027 is on Tuesday, December 21, 2027. That is 505 days away — about 72 weeks and 1 day, or roughly 16 months, from today. 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.
Looking for Winter Solstice 2028?
More ways to track Winter Solstice
Turn this date into a shared plan, a home screen habit, or a deeper browse session through related countdown pages.
Share Winter Solstice with friends
Give everyone the same countdown, reminders, and widgets so the date stays visible for the whole group.
Open page →Put Winter Solstice on your lock screen
Keep the countdown one glance away with a lock screen widget that updates automatically every day.
Open page →Browse Astronomy Countdowns
Open a hub of related countdown pages so you can keep exploring the strongest cluster around this event.
Open page →About Winter Solstice
The Winter Solstice 2027 occurs on Tuesday, December 21st. It is the shortest day of the year in the Northern Hemisphere, marking the astronomical start of winter.
History & Significance
The winter solstice has been a significant cultural event for thousands of years. Ancient sites like Newgrange in Ireland and Machu Picchu in Peru were built to align with the solstice sun. Many holiday traditions, including Yule, have roots in solstice celebrations.
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.
Winter Solstice 2027: Frequently Asked Questions
When is Winter Solstice 2027?
Winter Solstice 2027 is on Tuesday, December 21, 2027 — 505 days from today. You can track it with a free countdown widget on your iPhone home screen using the Outside app.
What day of the week is Winter Solstice 2027?
Winter Solstice 2027 falls on a Tuesday. Knowing the weekday helps you plan time off, travel, or weekend activities around the date.
How long until Winter Solstice 2027?
Winter Solstice 2027 is 72 weeks away — roughly 17 months from now. That's plenty of time to plan ahead.
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, plus reminder alerts and calendar sync. Used by 300k+ people.
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.
Why is Winter Solstice predictable so far in advance?
Winter Solstice follows precise celestial mechanics — the alignment of the Sun, Earth, and Moon or Earth's orbital position. Those motions are regular enough to calculate the exact date and time years ahead.
When will Winter Solstice happen again after 2027?
Many astronomical events repeat only after long intervals — some eclipses and alignments are years apart. That is why counting down to Winter Solstice 2027 matters: missing it can mean a long wait for the next chance.
Home Screen Widgets
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Lock Screen Widgets
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Live Activities
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