Samding Dorje Phagmo Galdan Namchot is a festival celebrated in Tibet, Nepal, Mongolia and many regions of Himalaya, particularly in Ladakh, India.

Je Tsongkhapa was born in the city of Tsongkha in Amdo, Tibet (present-day Haidong and Xining, Qinghai) in 1357.

[1] On the twenty-fifth day of the tenth month of the Tibetan lunar calendar, Galdan Namchot is celebrated to commemorate birthday and Buddhahood of Je Tsongkhapa.

Historically Losar, thereby Galdan Namchot were celebrated in the twelfth month in the Tibetan lunar calendar.

[2] As a part of the Galdan Namchot festival, monasteries, public and residential buildings are lit up.