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What Day Is Winter Solstice 2027?
Winter Solstice 2027 falls on a Tuesday — Tuesday, December 21, 2027. That's 583 days away.
Knowing the day of the week makes it easy to plan time off, travel, or weekend activities. Add a free countdown widget on your iPhone to keep Winter Solstice in view.

583
days
Winter Solstice
Outside
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Date details for Winter Solstice 2027
- Day of week: Tuesday
- Date: Tuesday, December 21, 2027
- Days remaining: 583
- Weeks remaining: 83
Winter Solstice 2027 falls on a Tuesday — Tuesday, December 21, 2027. That is 583 days away, or about 83 weeks and 19 months. Winter Solstice is an astronomical event whose exact date and time can be calculated years in advance from precise celestial mechanics. Winter Solstice falls on a Tuesday this year, a midweek date — worth noting if you want to plan time off around it.
Counting down turns a vague "soon" into a clear number of days you can plan around — booking travel, sending cards, or simply building anticipation. Many people begin preparing for a date like this two to three months ahead, and a visible countdown helps pace that preparation rather than leaving everything to the final week. If you are counting down to Winter Solstice, you can add a free Outside countdown widget to your iPhone home screen; it updates every day and can be shared with friends and family.
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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
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Open page →Browse Astronomy Countdowns
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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
What day is Winter Solstice 2027?
Winter Solstice 2027 falls on Tuesday, Tuesday, December 21, 2027. That is 583 days (about 83 weeks) from today.
What day of the week is Winter Solstice 2027?
Winter Solstice 2027 is on a Tuesday. Mark your calendar for Tuesday, December 21, 2027.
Is Winter Solstice 2027 on a weekday or weekend?
Winter Solstice 2027 falls on a Tuesday, which is a weekday. Knowing this early helps you plan time off, travel, or gatherings around the date.
When is Winter Solstice 2027?
Winter Solstice 2027 is on Tuesday, Tuesday, December 21, 2027 — 583 days away. Add a free countdown widget on your iPhone with the Outside app to keep the date in view.
How many days until Winter Solstice 2027?
There are 583 days until Winter Solstice 2027 on Tuesday, Tuesday, December 21, 2027 — approximately 83 weeks from now.
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.
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