Night Light of Phak Hai (Phra Nakhon Si Ayutthaya) from space (Thailand) Src. Average luminocity for 10x10km area is 21.0671% and for 50x50km: 25.9791%.
Square area 10x10 km:
 0%
 0% 0.22%
 0.22% 1.95%
 1.95% 2.16%
 2.16% 2.16%
 2.16% 6.49%
 6.49% 5.84%
 5.84% 5.84%
 5.84% 6.49%
 6.49% 30.74%
 30.74% 38.1%
 38.1%Square area 50x50 km:
 1.05%
 1.05% 1.14%
 1.14% 4.81%
 4.81% 4.21%
 4.21% 5.51%
 5.51% 4.65%
 4.65% 4.96%
 4.96% 6.2%
 6.2% 10.85%
 10.85% 15.52%
 15.52% 41.1%
 41.1%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
15° 8' 13.8" North, 99° 40' 0.4" East
14° 27' 26.5" North, 100° 22' 11.6" East
13° 46' 31.7" North, 101° 4' 22.9" East
Some cities around Phak Hai sort by population:
• Phra Nakhon Si Ayutthaya
		25.2 km =15.7 mi,  117°
117°
• Wiset Chaichan
		15.6 km =9.7 mi,  347°
347°
• Bang Ban
		15.5 km =9.6 mi,  126°
126°
• Nakhon Luang
		25.7 km =16 mi,  88°
88°
• Ban Thai Tan
		22.2 km =13.8 mi,  34°
34°
• Ang Thong
		17.1 km =10.6 mi,  31°
31°
• Chaiyo
		26.6 km =16.5 mi,  23°
23°
• Pho Thong
		23.7 km =14.7 mi,  10°
10°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016