1. Use the definite article "el" or "la" with the number of the day.
* For example: El cinco (5th), La quince (15th).
2. Omit the article when the date is written as an ordinal number.
* For example: Cinco de mayo (May 5th), Quinde de septiembre (September 15th).
3. Use "de" before the month:
* For Example: El cinco de mayo, (May 5th), La quinde de septiembre (September 15th).
4. For years, if the year has four digits use "mil" before the last three digits:
* For example: Mil novecientos noventa y dos (1992), Dos mil veinticuatro (2024)
5. If the year has only two digits, use the word "diecisiete", "dieciocho" and so forth:
* For example: Diecisiete (17), Noventa y uno (91), Quince (15)