Youm-e-Takbir
| Youm-e-Takbir یومِ تکبیر | |
|---|---|
| Chagai-I atomic test | |
| Observed by | Pakistan | 
| Type | National | 
| Celebrations | Flag hoisting, atomic energy exhibitions, award ceremonies, singing patriotic songs, entertainment and military programmes, speeches, etc. | 
| Date | 28 May | 
| Next time | 28 May 2026 | 
| Frequency | Annual | 
Youm-e-Takbir (Urdu: یومِ تکبیر; lit. The day of greatness) is celebrated as a national day in Pakistan on 28 May in commemoration of Chagai-I and Chagai-II series of nuclear tests. The nuclear tests made Pakistan the seventh nation to possess nuclear weapons and the first in the Muslim world.