| June 
    2012 | ||
| 4 | Saga Dawa | Tibetan and Nepalese Buddhist festival of lights. | 
| 5 | World Environment Day | Global observance intended to stimulate awareness of the environment and encourage political attention and public action. | 
| 10 | Corpus Christi | Christian festival in honour of the mystery of the eucharist. (Anglicans observe Thanksgiving for Holy Communion on the preceding Thursday.) | 
| 16 | Martyrdom of Guru Arjan | Sikh remembrance for the fifth guru. | 
| 16 | The Prophet’s night journey | Celebrates the journey of the Muslim prophet Muhammad through the heavens and into the presence of Allah. | 
| 20 | Midsummer | Pagan festival for the midsummer solstice. | 
| 21 | World Humanist Day | Observance celebrating the ethical philosophy of life based on reason and a concern for humanity. | 
| 21 | Ratha Yatra | Hindu festival in honour of the god Krishna as Lord of the Universe. | 
| 23 | Dragon Boat Festival (Tuen Ng) | Chinese festival remembering poet-sage Qu Yuan. | 
| May 2012 |