September 24

Calendar position and seasonal context

The date sits in the third quarter of the year and typically marks a time of shortening daylight in the Northern Hemisphere and lengthening daylight in the Southern Hemisphere. In civil and business contexts it can lie within the same ISO week as other late-September dates; in liturgical or agricultural calendars it is treated according to local traditions and moveable feasts.

Notable events and people

Throughout history many kinds of events—political, cultural and scientific—have occurred on September 24. A frequently cited 19th-century example is the financial panic of September 24, 1869, often called "Black Friday," when efforts to corner the U.S. gold market triggered a sharp market collapse. The date also marks the birth of several well-known figures; for example, the American novelist F. Scott Fitzgerald was born on September 24, 1896.

Observances and cultural notes

Some countries or organizations place national observances, commemorations or holidays around late September; others observe cultural or awareness days on September 24 specifically. The day's placement near the equinox means it can be associated with harvest festivals or seasonal rites in various traditions. For general information on the modern calendar system in which this date appears, see the Gregorian calendar.

Why the date matters

• It provides a fixed point in the year used for record-keeping and anniversary observances.
• Its proximity to the equinox links it with seasonal change in many cultures.
• Individual years add significance when historic events, births or deaths fall on the date.

As with any calendar date, the meaning attached to September 24 varies by place and community: it may be an ordinary workday in some regions, a day of celebration in others, and an anniversary or historical landmark for particular groups.