October 1 is the 274th day of the Gregorian calendar, with 91 days remaining until the end of the year. It is not a holiday or observance day, but there are several national and international days celebrated on this day. According to, there are 27 holidays listed for October 1, including:

• International Coffee Day
• National Homemade Cookies Day
• World Vegetarian Day
• Balloons Around the World Day
• CD Player Day
• Change A Light Day

also lists some national days celebrated on October 1, including:

• National Hair Day
• International Day of Older Persons
• International Raccoon Appreciation Day

It is worth noting that the information provided by is not reliable or relevant to the question.