The astronomical summer (Northern Hemisphere) begins today Wednesday, June 20, 2012, and ends Friday, September 21, 2012.
…The summer season in India is not very much welcomed because of the excessive heat, but in Vṛndāvana everyone was pleased because summer there appeared just like spring. This was possible only because Lord Kṛṣṇa and Balarāma, who are the controllers even of Lord Brahmā and Lord Śiva, were residing there. In Vṛndāvana there are many falls which are always pouring water, and the sound is so sweet that it covers the sound of the crickets. And because water flows all over, the forest always looks very green and beautiful.
The inhabitants of Vṛndāvana were never disturbed by the scorching heat of the sun or the high summer temperatures. The lakes of Vṛndāvana are surrounded by green grasses, and various kinds of lotus flowers bloom there, such as the kalhāra-kañjotpala, and the air blowing in Vṛndāvana carries the aromatic pollen of those lotus flowers. When the particles of water from the waves of the Yamunā, the lakes and the waterfalls, touched the bodies of the inhabitants of Vṛndāvana, they automatically felt a cooling effect. Therefore they were practically undisturbed by the summer season. (from: KRSNA The Supreme Personality of Godhead)
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The Hare Krishna Movement 