September 15, 1980

Holidays on this day:

• Independence Day in Costa Rica
  September 15
• Return of Primorska to the Motherland in Slovenia
  September 15
• Independence Day in El Salvador
  September 15

September 15 1980 is the 259^th day of the year 1980 in the Gregorian calendar.
The day of the week is Monday. There are 107 days remaining until the end of this year.
Chinese New Year 1980 will be from February 16 to March 1,
Muslim New Year - November 9,
Jewish New Year, or Rosh Hashanah - from September 11 to September 12.