In Odessa (f = 46 ° 30 ‘) at noon the Sun was observed at an altitude of 67 ° Determine the declination of the Sun and the date of observation.

b = h + f – 90 °, b = + 23 ° 30 ‘. Such a declination of the Sun occurs on the day of the summer solstice, therefore, the observation was carried out on June 22.

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