Source-backedEdition Specific

December solstice (Northern Hemisphere winter solstice)

The U.S. Naval Observatory gives the December 2026 solstice at 20:50 UT on 21 December; seasonal naming depends on hemisphere.

Date / rule21 December 2026 at 20:50 UT
ScopeAstronomical event / Northern Hemisphere seasonal naming
VerificationUsno Astronomical Current Edition Verified
PortabilityEdition Specific
Evidence statusSource-backed
Last authority check2026-09-08
Target-year policyRefresh Edition
Next date this engine can safely resolveMonday, December 21, 2026See everything on December 21 →
Authority summary

What is December solstice (Northern Hemisphere winter solstice)?

The U.S. Naval Observatory gives the December 2026 solstice at 20:50 UT on 21 December; seasonal naming depends on hemisphere.

Date and recurrence

21 December 2026 at 20:50 UT

The stored date is verified for a specific edition only. It is not projected into another year without a fresh authoritative source.

Scope and status

The verified scope stored for this record is Astronomical event / Northern Hemisphere seasonal naming. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.

Also known as

Winter Solstice

Classification

Topic and context

Animals, Nature & Environment →
Accuracy controls

What this page does not assume

  • Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
  • Do not treat the title alone as proof of government recognition or public-holiday status.
  • Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
  • Refresh the target year before publishing a new date when the record is not safely portable.
Provenance

Sources

Source policy →
  1. U.S. Naval Observatory — Earth seasons 2026Astronomical Authority
  2. U.S. Naval Observatory — Earth’s seasonsAstronomical Authority
Reader questions

Frequently asked questions

When is December solstice (Northern Hemisphere winter solstice)?

21 December 2026 at 20:50 UT The stored recurrence guidance is: Refresh the authoritative target-year edition/schedule; current stored evidence: 21 December 2026 at 20:50 UT.

Does December solstice (Northern Hemisphere winter solstice) fall on the same date every year?

No. The stored date is edition-specific and must be refreshed for another year.

Is December solstice (Northern Hemisphere winter solstice) an official public holiday?

The authority record verifies it within this scope: Astronomical event / Northern Hemisphere seasonal naming. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when the supporting authority record explicitly does so.

Who established or recognizes December solstice (Northern Hemisphere winter solstice)?

The stored designation basis is: The U.S. Naval Observatory gives the December 2026 solstice at 20:50 UT on 21 December; seasonal naming depends on hemisphere.. Supporting provenance includes U.S. Naval Observatory — Earth seasons 2026. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is December solstice (Northern Hemisphere winter solstice) international or country-specific?

No single country is assigned to this record in the authority dataset. The source-defined scope is: Astronomical event / Northern Hemisphere seasonal naming. Use that scope rather than assuming worldwide or country-specific status.

How is this page verified?

The factual layer is source-backed and keeps its date rule, scope, provenance and editorial guardrails attached to the authority record. This record was checked on 2026-09-08.

Same date

Other observances on December 21

Date guide →

These records also resolve to December 21, 2026 under the current authority data.

Source-backedFixed Annual

Chester Greenwood Day

Maine statutory commemorative day honoring inventor Chester Greenwood; “Earmuff” in the canonical page title is descriptive rather than the statutory title

Maine law designates 21 December as Chester Greenwood Day in honor of the Farmington inventor associated with ear protectors/earmuffs.

Source-backedEdition Specific

December solstice

Global astronomical event / USNO 2026 season table

The U.S. Naval Observatory gives the December 2026 solstice at 20:50 UT on 21 December.

Source-backedFixed Annual

National Coquito Day

Puerto Rican cultural/culinary context / Don Q-created informal seasonal observance

Don Q Rum announced National Coquito Day as an annual December 21 observance and described the 2018 formalization of the day.

Source-backedFixed Annual

National Crossword Puzzle Day

United States / crossword-puzzle appreciation observance

The U.S. Census Bureau’s current December education calendar lists National Crossword Puzzle Day on December 21; the U.S. House Historian has also acknowledged the December observance.

Source-backedFixed Annual

National Maine Day

United States / National Day Calendar National State Days series — Maine

National Day Calendar lists National Maine Day on 21 December. The U.S. Senate records Maine’s admission/statehood date as 15 March 1820. The two dates are deliberately kept separate so the…

Source-backedFixed AnnualIn-depth guide

World Basketball Day

United Nations / international observance

A/RES/77/324

Explore further

Related observances with useful context

More in this topic →

Related records are selected from shared ontology signals. When a reviewed distinction exists, it is labeled separately so “related” is not mistaken for “the same observance.”