First Day of Hispanic Heritage Month Sep 11, 2021 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: September 15, 2021 all-day 2021-09-15T00:00:00-07:00 2021-09-16T00:00:00-07:00 Holidays Observance To hide observances, go to Google Calendar Settings > Holidays in United States