800000000000111 days before Today

Facts about 21 December 2025:

• 21st December, 2025 falls on Sunday which is a Weekend. See the alternate names of Sunday
• That will be 51st (Fifty-first) week of year 2025.
• It's 354th (Three Hundred Fifty-fourth) Day of the year.
• There are 31 days in the month of December 2025. Checkout the days in other months of 2025 along with days in December 2025.
• Year 2025 has 365 days in total.
• The month December will be 12th month of Year 2025.
• The short date with year for 21 December 2025 is mostly written in the USA (United States of America), Indonesia and a few more countries as 12/21/2025, and in almost all other countries as 21/12/2025. Which means the shorthand for 21 December is written as 12/21 in the countries including USA, Indonesia and a few more, while everywhere else it is represented as 21/12.
  
  Similarly, the short date with year for 1 September 2025 is written in the United States as 9/01/2025, and almost everywhere else as 1/9/2025. This means the shorthand for 1 September is written as 9/01 in the USA, and 1/9 in rest of the world.
  
  See the detailed guide about Date representations across the countries for Today.
• The month December is also known as Desember, Disambar, Dezamber, decembro, Dezember, Decembre, meno mo-bi, Dekembra, desembre, Zecemvar and dekul across the Globe.
• The month September is also known as Septembro, Sitambar, septembro, septembre, meno nona, Septembra, setembre, Setemvar, Cäpstanneu and setul across the Globe.
• Year 2025 will be NOT a Leap Year.
  Note: In a Leap Year there are 366 days (a year, occurring once every four years, which has 366 days including 29 February as an intercalary day.), rest years have 365 days.
• Year 2028 will be the nearest future leap year.