When Is the Shortest Day of 2025 in the USA
The shortest day of 2025 in the United States occurs on December 21, when the Northern Hemisphere reaches its maximum tilt away from the Sun. On this date, most U.S. locations experience the fewest hours of daylight and the longest night of the year.
How Short Is the Shortest Day Across the Country
Daylight length varies by location, but cities in the northern tier, such as Minneapolis and Seattle, may see only about eight to nine hours of daylight. Southern cities like Miami and Phoenix typically have closer to ten to eleven hours. Exact times depend on time zone and local sunrise and sunset data.
Why the Shortest Day Matters for Planning
The shortest day marks the winter solstice in the Northern Hemisphere. It is a key reference point for seasonal energy use, commuting patterns, and outdoor activity planning. People who track daylight for work, travel, or wellness routines often use this date to compare year-to-year changes.
For official sunrise and sunset times by city, you can check timeanddate.com.
