What day is October 31, 2026?
October 31, 2026 is a Saturday, day 304 of 2026. It is Halloween.
October 31, 2026
It's Saturday
October 31, 2026
Persian (Solar Hijri) date: 9 Aban 1405. Open the Persian date converter or see today in the Persian calendar.
October 31, 2026 is a Saturday. Below you'll find this date converted across multiple world calendar systems including Hebrew, Islamic, Persian (Solar Hijri), Julian, Chinese, and more.
How do we know the weekday? We use Zeller's congruence — a proven mathematical formula that maps any Gregorian date to its day of the week without lookup tables.
Whether you're planning events, doing historical research, or simply curious about what day of the week a date falls on, this page provides instant answers with verified calendar conversions. All calculations use established astronomical algorithms. Learn about our methodology.
🎉 This date is Halloween
🎗️ October 31 is also Halloween
Historical Milestone — On This Day
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Frequently Asked Questions
What day of the week is October 31, 2026?
October 31, 2026 is a Saturday. It is day 304 of 2026, in week 44.
Is October 31, 2026 a weekend or a weekday?
October 31, 2026 is a Saturday, which is a weekend day.
What is October 31, 2026 in the Persian (Solar Hijri) calendar?
October 31, 2026 is 9 Aban 1405 in the Persian Solar Hijri calendar.
What day number is October 31, 2026 in the year?
October 31, 2026 is day 304 of 2026. There are 365 days in 2026.