Karachi to witness longest day of 2012 today.

Karachi to witness longest day of 2012 today.

Karachi witnesses the year’s longest day of 14 hours on the summer solstice in Northern Hemisphere between June 20 and 22.

It is the longest day of sunlight for places in the Northern Hemisphere and shortest for those in the Southern Hemisphere,” informed Dr Javed Iqbal, Director, Institute of Space and Planetary Astrophysics (ISPA), University of Karachi here on Thursday.

On summer solstice, earth’s maximum axial tilt (declination) towards the sun is 23° 27’, he added.

Another interesting fact is that the distance between earth and sun is maximum on summer solstice which is vice versa on winter solstice (Dec 21-22), distance between earth and sun is minimum for the shortest day to be witnesses in Northern Hemisphere.

Short URL: https://www.newspakistan.pk/?p=26676

Posted by Ahmad Mehdi on Jun 22 2012. Filed under Pakistan. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry