What Day: August 31
Find the day of the week for any date of the year.
August 31 this year (2026) falls on a Monday. It's day 243 of the year, with 122 days left afterward, sits in Q3 (Summer), and falls under the zodiac sign Virgo in Western astrology. Because of how leap years shift the calendar, a date's day-of-week doesn't repeat on a fixed yearly schedule. August 31 will next fall on a Monday again in 2037. Within August, this is day 31 of 31, roughly 100% through the month. Overall, that's roughly 67% of the way through the year.
As of October 1, 2026, 12:19 PM (America/New York).
A Decade Ago
August 31, 2016 fell on a Wednesday, a useful reference point if you're comparing how a recurring event has shifted across the week over the years.
Half a Year Away
Roughly six months from August 31 is February 28, which falls in winter and lands on a Saturday this year.