A Hukamnama refers to a hymn from the Guru Granth Sahib which is given as an order to Sikhs or a historical order given by one of the Gurus of Sikhism.
Nowadays, after the period of living gurus, The Hukumnama refers to a hymn from a randomly selected left hand side page from the Guru Granth Sahib on a daily basis in the morning. This is seen as the order of God for that particular day. The Hukamnama is distributed and then read aloud in Gurdwaras throughout the world.
Hukamnama, is a compound of two words hukam, meaning command or order, and namah, meaning statement.
Where I can read it online?
Well, you can find it on https://japosatnam.com