When To Light Yahrzeit Candle 2024 Calendar. It is traditionally commemorated by the lighting of a candle that burns for 24 hours. Traditionally, mourners keep the candle lit for the entire 25 hours from sundown on the eve of the yahrzeit to sunset on the day.

If candles are unavailable, an electric light may be used. Traditionally, mourners keep the candle lit for the entire 25 hours from sundown on the eve of the yahrzeit to sunset on the day.