India, June 21 -- The summer solstice kicks off on Friday, June 20, bringing not only the longest day of the year but also a wave of hot deals from popular restaurants nationwide. As temperatures rise and daylight stretches into the evening, many chains celebrate the seasonal shift with limited-time food offers, perfect for cooling down or grabbing a bite with friends.

The summer solstice is a significant astronomical event that signals the official start of summer. It takes place when the Earth's axial tilt positions one of the planet's poles at its closest angle to the Sun, resulting in the longest day and shortest night of the year. In the Northern Hemisphere, this event typically occurs on June 20 or 21, while in the Southern Hemisph...