There are many date formatting conventions in use. The most common are shown in the table below.
|
Common Date Format
|
Type
|
Example Using December 31, 1999
|
|
YYYY-MM-DD |
ISO |
1999-12-31 |
|
DD/MM/YY, DD.MM.YY or DD-MM-YY |
European |
31/12/99 |
|
MM/DD/YY |
American |
12/31/99 |
|
YYDDD |
Julian |
99365 |