All Saints' Day is a Christian holiday celebrated on November 1st each year. It honors all saints, known and unknown, who have attained heaven. The day is significant in many Christian traditions, including Catholicism, Orthodoxy, and some Protestant denominations, where it serves as a reminder of the faithful who have passed away. In many cultures, All Saints' Day is a time for remembrance and reflection. People often visit cemeteries to honor their deceased loved ones by lighting candles and placing flowers on graves. The day is closely related to All Souls' Day, which follows on November 2nd and specifically commemorates all souls who have died.