When writing a date, a comma is used to separate the day from the month, and the date from the year. July 4, 1776, was an important day in American history. I was born on Sunday, May 12, 1968. But if you're writing the date in day-month-year format, you don't need a comma.

What is the correct way to write dates?

The international standard recommends writing the date as year, then month, then the day: YYYY-MM-DD. So if both the Australian and American used this, they would both write the date as 2019-02-03. Writing the date this way avoids confusion by placing the year first.

When to use a comma after the year in a date?

If you have the month-date-year format, a comma is always required after the year. If you just have a month and a year or a month and a day, using commas after dates depends on context: Correct: Our wedding in April 1993 was beautiful. Incorrect: Our wedding in April 1993, was beautiful.