Jhulan Festival is celebrated in the month of Shravana (July – August) commemorating the pastimes of Lord Sri Krishna enjoying His childhood pastimes with His friends – the young cowherd boys and girls, swinging underneath the trees.
Jhulana-yatra is a festival to celebrate Radha Krishna’s pastime of swinging on a golden swing every day until Balarama-purnima.
At ISKCON Sri Narasimha Giridhari Mandir, the utsava deities of Sri Sri Gandharvika Giridhari are adorned in brilliance and placed in a Jhulan (swing) decorated with variety of beautiful flowers. A special arati is offered to the deities accompanied by sweet kirtanas sung by devotees. All devotees wait patiently in a queue to swing Their Lordships.
In this regard Sri Hari-bhakti-vilasa states,
To please Sri Hari, devotees hold numerous festivals on every occasion and continuously perform sankirtana. According to their ability, the devotees serve the Lord during the summer by placing Him on the boat, taking Him out on a procession, applying sandalwood on His body, fanning Him with chamara, decorating Him with jeweled necklaces, offering Him palatable foodstuffs, and bringing Him out to swing Him in the pleasant moonlight.