18 maggio 2648

• Flag and Universities' Day (Haiti)
  18 maggio
• International Museum Day
  18 maggio

18 maggio 2648 is the 139^th day of the year 2648 in the Gregorian calendar.
The day of the week is Thursday. There are 227 days remaining until the end of this year.
Chinese New Year 2648 will be from 16 febbraio to 1 marzo,
Muslim New Year - 16 maggio,
Jewish New Year, or Rosh Hashanah - from 11 settembre to 12 settembre.