November 1st Calendar. On november 1st, prime meridian day celebrates the imaginary line that divides earth into the eastern and western hemispheres. All saints' day, also known as all hallows' day (hallow is an old english word that means holy or saint) is a christian observance held on november 1st every year, the day after or all hallows'.
All holidays and celebrations on november 1, 2025. November 1 is also part of.