1. Observance Of Zhabdrung Kuchoe
The death anniversary of Ngawang Namgyal is observed traditionally all over Bhutan. The whole country commemorates this day by paying homage to Zhabdrung Ngawang Namgyal. Several religious rituals are performed in the temples in his honor.
This day is spent by offering special prayers and lighting butter lamps by enthusiasts. Devotees also visit sacred sites on this day. Funerary services are also held in many places for this commemoration. Since this day is a national holiday in Bhutan, school, business and working people get a day off on this day. Zhabdrung Kuchoe 2022: Bhutan Mourn Over The Death Anniversary Of Zhabdrung Ngawang Namgyal (localeventstoday.com)

2. Importance of Zhabdrung Kuchoe
Zhabdrung Kuchoe plays an important role in every people’s life in Bhutan. Bhutan is a religious country. In every step, they follow their monks. They prefer acknowledging the death anniversary over the birth anniversary. Buddhist teaching believes that birth is a normal occurrence. It is a basic beginning of life. Success is yet to proven. 
So, they observe the death of an attained person. Because they believe death brings the fulfillment to any person. If it is the death of a spiritual figure, they observe it with great honor. Zhabdrung Ngawang Namgyal is an honorable figure. He was the unifier of Bhutan, he was the ruler and spiritual lama. In his lifetime he devoted his time to the country and his spirituality. 

3. The people of Bhutan commemorate his death in a traditional Himalayan way. By performing the Kuchoe prayer. He as the accomplisher as the religious ruler deserves it from every Bhutanese. This offering is most important for the new generation of Bhutanese who should know the root of the country. The man, the spiritual figure behind the Bhutan Kingdom. As the Bhutanese remark his Kuchoe on 22 April, it is major to remember the sacred person of Zhabdrung Ngawang Namgyal, make offerings to him, pray for his blessings, feel gratitude for his kindness, be motivated by his great works, and most vitally, recall the wise ideals, merits, concepts, and practices he personified. All Bhutanese should intend to live up to his desires in our distinctive way and notice the vision, hard effort, and hopes he had for the country he unified. This will be the literal way of assembling offerings to him.