May 28 is the 148th day of the year in common years and the 149th in leap years in the Gregorian calendar. In common years there are 217 days remaining after May 28. Because of its position late in May, it sometimes coincides with movable national observances such as the United States Memorial Day when that holiday falls on the last Monday of May.

Calendar position and leap years

The day-number of May 28 changes only in leap years, when an extra day (February 29) shifts subsequent dates by one. General information about leap years and how they are inserted into the calendar can be found via resources on leap-year rules and calendars (leap year information).

National and international observances

Several countries and campaigns mark May 28 with official or widely recognized observances. Examples include national republic or independence commemorations in some states and international awareness days. A notable global observance established by civil society is Menstrual Hygiene Day, chosen for its symbolic alignment with the average menstrual cycle length.

  • Republic or national days: Certain countries mark May 28 as a day of historical statehood or republican foundation.
  • International awareness: Menstrual Hygiene Day is observed on May 28 to promote attention to menstrual health and hygiene.
  • Movable holidays: When the last Monday of May is May 28, countries that observe Memorial Day or similar holidays will hold those commemorations on this date.

Notable births and cultural references

May 28 is the birthday of several well-known cultural figures. Among widely recognized individuals born on this date are Ian Fleming, the British author best known for creating James Bond; Jerry West, a prominent American basketball player and executive; and Kylie Minogue, the Australian singer and entertainer. Dates of birth are often used to highlight anniversaries or cultural retrospectives tied to this day.

Like any calendar date, May 28 collects a mixture of civic commemorations, cultural anniversaries and historical events across different countries and traditions. Its significance varies by region: for some it is chiefly a national holiday, for others a day for awareness campaigns or simply an ordinary date on the calendar.