> ISO 8601 is the only format that the Government of Canada and Standards Council of Canada officially recommend for all-numeric dates.[28][29][30] But, their usage differs depending of many contexts.[31][32]
> All three formats are used in Canada for long format.
> For English speakers, MDY was preferred form (mmm-dd-yyyy) (Example: April 9, 2019) and used by nearly all English language publications and media companies as well as majority of English language government documents.[citation needed]
> For both French and sometimes English speakers, DMY are used (dd-mmm-yyyy) (Example: 9 April 2019/le 9 avril 2019) and also used in formal letters, academic papers, military, many media companies and even some governmental documents, particularly in French-language ones.
> Federal regulations for shelf life dates on perishable goods mandate a year/month/day format, but allow the month to be written in full, in both official languages, or with a set of standardized two-letter bilingual codes such as 2019 JA 07 or 19 JA 07.
https://en.wikipedia.org/wiki/Date_and_time_notation_in_Cana...
All of the following dates are valid:
3 May 2021
May 3, 2021
3 mai 2021
2021-05-03
And from https://en.wikipedia.org/wiki/Date_format_by_country
> ISO 8601 is the only format that the Government of Canada and Standards Council of Canada officially recommend for all-numeric dates.[28][29][30] But, their usage differs depending of many contexts.[31][32]
> All three formats are used in Canada for long format.
> For English speakers, MDY was preferred form (mmm-dd-yyyy) (Example: April 9, 2019) and used by nearly all English language publications and media companies as well as majority of English language government documents.[citation needed]
> For both French and sometimes English speakers, DMY are used (dd-mmm-yyyy) (Example: 9 April 2019/le 9 avril 2019) and also used in formal letters, academic papers, military, many media companies and even some governmental documents, particularly in French-language ones.
> Federal regulations for shelf life dates on perishable goods mandate a year/month/day format, but allow the month to be written in full, in both official languages, or with a set of standardized two-letter bilingual codes such as 2019 JA 07 or 19 JA 07.