What Day: October 21
Find the day of the week for any date of the year.
October 21 this year (2026) falls on a Wednesday. It's day 294 of the year, with 71 days left afterward, sits in Q4 (Fall), and falls under the zodiac sign Libra 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. October 21 will next fall on a Wednesday again in 2037. Within October, this is day 21 of 31, roughly 68% through the month. Overall, that's roughly 81% of the way through the year.
As of October 1, 2026, 12:19 PM (America/New York).
A Decade Ago
October 21, 2016 fell on a Friday, 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 October 21 is April 21, which falls in spring and lands on a Tuesday this year.
Nearby Dates
Check the day of the week for the date just before or after October 21 using the links below.