If you dream that you have a halo, then such dream shows the perfection you are aiming for.
Dream dictionary: Halo dream meanings
If you dream that you see the figure being surrounded by halo, it means that you are looking for your spiritual self.
Dreaming that you have an aura or a halo over your head is a good sign that announces success and new friendships. Seeing an aura or halo on the head of any other person is an important sign, but if its someone known as an enemy, he or she will surely triumph over you.
…To see the moon in brilliant clearness: for a wife means love and good health, for a husband symbolizes increase in wealth. See the new moon, means advancement in business. In its decline, the illness of some great person. See the moon as a halo around the head, pardon and deliverance through intervention of a female. If moon is color of red, then it means voyage, journey. Dull and obscure moon denotes unfortunate or illness of wife, mother, sister or daughter loss of money, or peril on a journey (particularly if it is by sea), brain fever, and disease of your eyes. When obscure moon was seen in a dream and becoming bright, then it denotes profit if the dreamer is a woman, if a man, joy and happiness. From clearness to pass to obscurity means loss to a woman, sadness and misfortune to a man. See two moons,…
…A clear moon shows much gain a fiery one, honour. A red moon, a good wife to love. If a halo around it, you’ll succeed in play. But if its pale or clouded, unlucky next day….
To see a nimbus / halo surrounding you suggests a deep spiritual growth and progress.
To see the sun means discovery of secrets and the management of business. To have seen it with sore eyes means cure. When in prison, liberty. To see the sun rising is an omen of good news, prosperity. Setting sun symbolizes longing and sadness. If a woman is the dreamer, that could mean birth of a son. The sun obscure, red, surrounded by a halo, indicates obstacles, minor illness of the child, personal danger. The dream suggests to look after your health better. However, it is a happy omen for people who have enemies, or who, for some reason, keep themselves isolated.
…Symbolizes the cycles of life, dependency, indirect knowledge, mobility, growth, imagination, the subconscious, the psychic and everything that is receptive and impressionable. In dreams the moon relates to all things female and fruitful, especially with love and romance. The phases of the moon will indicate the degree of evolution in the omen. To dream of a landscape illuminated by the moon indicates love and romance. If the moon is new it speaks of harmony, a love that is just being. If it’s crescent it is a burning love that grows by the moment. The full moon indicates the culmination of love. A waning moon means mature love that stimulates the wish to become a parent. The moon surrounded by a halo is an omen of sorrow. An eclipse of the moon indicates love problems that can turn into a complete breakup….