A birthday with calendar stories, traditions, people and reasons to keep exploring.
September 18 is day 261 of a common year and carries the traditional birthday symbols associated with September: Sapphire and Aster & Morning Glory.
September 18 is day 261 of a common year and carries the traditional birthday symbols associated with September: Sapphire and Aster & Morning Glory.
This profile brings together calendar context, birthday traditions and verified material connected with September 18.
Next birthday: — days from today.
Explore how birthstones became associated with calendar months and the traditions connected with September.
Explore birthstones →Discover the flower traditions linked with September and how birth flowers became part of modern birthday culture.
Explore birth flowers →The same calendar date has opposite seasonal settings in the Northern and Southern Hemispheres.
Explore calendar stories →Cakes, candles, songs and milestone ages vary across families and cultures.
Traditions around the world →There is no single universal way to mark a birthday. Customs differ by family, community and country, which is part of what makes birthday culture so interesting.
A date worth exploring
September 18 is day 261 of a common year and carries the traditional birthday symbols associated with September: Sapphire and Aster & Morning Glory.
Explore this birthday →AgeToolBox is opening five historical highlights for this date.
AgeToolBox is opening five people born on this date.
September 18 is day 261 of a common year, with 104 days remaining after it. Its traditional September birthday associations include Sapphire and Aster & Morning Glory.
Discover more →Choose a birth year to open a curated snapshot of music, film, technology, sport and culture.
September 18 connects you with a date in the calendar, traditions, history and people whose lives began on the same day. Add your birth year to make the journey personal.