Night Light of Kanchipuram (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 69.5173% and for 50x50km: 20.3458%.
Square area 10x10 km:
 4.11%
 18.83%
 24.89%
 10.82%
 10.17%
 8.01%
 10.39%
 3.9%
 7.58%
 1.3%
 0%Square area 50x50 km:
 0.34%
 2.05%
 3.73%
 2.37%
 2.23%
 3.74%
 5.17%
 4.99%
 8.08%
 15.62%
 51.7%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
13° 31' 11.1" North, 78° 59' 49" East
12° 50' 6.5" North, 79° 42' 0.2" East
12° 8' 55.2" North, 80° 24' 11.5" East
Some cities around Kanchipuram sort by population:
• Arakkonam
		27.9 km =17.3 mi, 
353°
• Chingleput
		34 km =21.1 mi, 
117°
• Cheyyar
		25.8 km =16 mi, 
221°
• Uttiramerūr
		25.3 km =15.7 mi, 
165°
• Srīperumbūdūr
		30.1 km =18.7 mi, 
60°
• Wallajahbad
		14.3 km =8.9 mi, 
110°
• Kalavai
		31.2 km =19.4 mi, 
256°
• Dūsi
		7 km =4.3 mi, 
199°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016