What Day: August 17
Find the day of the week for any date of the year.
August 17 this year (2026) falls on a Monday. It's day 229 of the year, with 136 days left afterward, sits in Q3 (Summer), and falls under the zodiac sign Leo 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 17 will next fall on a Monday again in 2037. Within August, this is day 17 of 31, roughly 55% through the month. Overall, that's roughly 63% of the way through the year.
As of October 1, 2026, 12:19 PM (America/New York).
A Decade Ago
August 17, 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 17 is February 17, which falls in winter and lands on a Tuesday this year.