Lua error in Module:Unicode_data at line 293: attempt to index local 'data_module' (a boolean value). was a Japanese era name (年号, nengō, lit. year name), also known as Temmei, after An'ei and before Kansei. This period started in April 1781 and ended in January 1789. During this time, the emperor was Lua error in Module:Unicode_data at line 293: attempt to index local 'data_module' (a boolean value)..

The nengō Tenmei means "Heavenly Radiance". The kanji means "dawn" or "daybreak".