Overview
May 23 is the 143rd day of the year in common years and the 144th in leap years. In both common and leap years there are 222 days remaining in the calendar year. The date sits near the end of May and typically falls in late spring in the Northern Hemisphere and late autumn in the Southern Hemisphere.
Calendar and astronomical context
The placement of May 23 is defined by the modern Gregorian calendar. The day occurs shortly after the Sun typically enters the zodiac sign of Gemini, so people born on this date are usually considered Gemini under Western astrology. Seasonal characteristics—such as lengthening daylight in the north and shortening daylight in the south—depend on the hemisphere.
Observances and cultural notes
Several recurring observances and awareness days fall on May 23 in various countries and organizations. For example, environmental and animal-conservation groups mark World Turtle Day on May 23, while other international campaigns use the date to highlight specific health or social issues. National or local holidays and memorials may also be scheduled on or around this date in different places.
History and significance
Over the centuries, many political, cultural and scientific events have been recorded on May 23. These include governmental acts, treaties, cultural premieres, scientific milestones and notable births and deaths. The particular historical importance of May 23 varies by country and by historical context; reference works and chronologies list specific events tied to the date.
Typical contents of date references
- Lists of notable births and deaths associated with the day, often spanning fields such as politics, the arts, science and sport.
- Records of major events, including declarations, battles, inaugurations and cultural firsts.
- Recurring observances, holidays and commemorations observed locally or internationally.
Further information
For more on how May 23 is handled in leap years and how its ordinal position is calculated, see entries on leap years and other calendar topics. Date-specific chronologies or national almanacs provide comprehensive lists of exact events, births and deaths associated with May 23 across history.