What Day: August 18
Find the day of the week for any date of the year.
August 18 this year (2026) falls on a Tuesday. It's day 230 of the year, with 135 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 18 will next fall on a Tuesday again in 2037. Within August, this is day 18 of 31, roughly 58% 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 18, 2016 fell on a Thursday, 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 18 is February 18, which falls in winter and lands on a Wednesday this year.