A reference to the night of the midsummer solstice or a celebration occurring around that time.

मध्य गर्मी की रात

English Usage: The festival began on midsummer night, filled with laughter and music.

Hindi Usage: उत्सव मध्य गर्मी की रात शुरू हुआ, हंसी और संगीत से भरा हुआ।