Nehan-e, also referred to as Nehan-ko or Nehan-ki, is a Buddhist memorial service practiced in Japan and China on February 15 in the Chinese lunar calendar, the day when Shakyamuni entered Nirvana (died), to remember the illustrious memory of Shakamuni and repayment of a kindness.
涅槃会（ねはんえ）は、涅槃講や涅槃忌とも称し、陰暦2月15日(旧暦)、釈迦の入滅（にゅうめつ）の日に、日本や中国などで勤修される、釈迦の遺徳追慕と報恩のための法要である。