The theme for this year is "Yoga for One Earth, One Health" echoes India's vision of global wellness.
The United Nations General Assembly, heeding to a call by Prime Minister Modi, had made a declaration in December 2014 to observe June 21 every year as IDY.
Year after year, the number of yoga practitioners participating in the official and unofficial events on International Yoga Day in different cities is growing, especially the young people, officials say.
Over three hundred people from across Israel rolled out yoga mats and performed asanas as they participated in International Yoga Day celebrations at the Peres Centre for Peace and Innovation in Tel Aviv.
Naval ships deployed in the Indian Ocean region are visiting ports of friendly foreign countries and spreading the message of 'Vasudhaiva Kutumbakam' on International Day of Yoga forming an 'Ocean Ring of Yoga'.
Yoga was the mantra and asanas the discipline on Wednesday as millions across the globe and distant corners of India stretched for the skies and dived for their toes, breathed in and out -- mindfully -- and twisted and turned to celebrate the International Day of Yoga.
The prime minister noted that there may not have been any major public events in countries around the world and in India for around a year-and-a-half, but the enthusiasm for Yoga Day has not diminished.
For health enthusiasts in the US, popular yoga guru Baba Ramdev is scheduled to conduct a virtual session on common yoga protocol with postures (asanas), breathing techniques (pranayama) and meditation during an online event organised by the Indian Consulate in Houston in collaboration with various community organisations.
Goa Chief Minister Laxmikant Parsekar also said that diseases like AIDS can be cured by yoga.
Titled 'Yoga and Islam', the booklet is compiled by the Muslim Rashtriya Manch, a wing of RSS.
This year's theme is 'Yoga at Home and Yoga with Family' and people will be able to join the celebrations virtually at 7 am on June 21. The Indian missions abroad are trying to reach out to the people through digital media as well as through the network of institutions which support yoga, officials said.
The age-old Indian practice has brought people from different cultures and countries together.
The stage is set for International Yoga Day celebrations tomorrow as India leads 191 countries to mark the day with over 35,000 participants expected to perform various yoga 'asanas' at a mega event on Rajpath in New Delhi.
Take the name of Allah instead of reciting 'shlokas'" during the event, said the minister from AYUSH dept.
After the United Nations declared June 21 as the International Yoga Day in December last year at India's request, the officers in the Ministry of Ayush began ideating about how to celebrate it in the country.
Calling on the world to embrace Yoga as a discipline in everyday life, Prime Minister Narendra Modi, on the occasion of the International Yoga Day today, asserted that the ancient Indian art was the most selfless of its kind, as it did not discriminate, did not ask for much, but simply functioned for the betterment of mankind and brought every society together.