Halloween is observed annually on October 31.
This is a Gregorian calendar holiday — observed on the same date worldwide. There is no tithi or panchang significance to the date; it does not shift by timezone.
Halloween is one of the festivals observed in the Hindu calendar. A detailed account of its mythology, significance, and rituals is being prepared.
Computed for O'Fallon (America/Chicago) using local sunrise, sunset and astronomical positions.
Other observances and vrats falling in October 2026, with dates computed for O'Fallon.
A more detailed account of Halloween — its mythology, regional variations, and rituals — is being prepared.