These useful screenshots are from the Sunrise Sunset App by Alok Mandavgane.
Autumn Equinox occurs later this evening.22nd Sept 2016.
We are an East Facing Culture, bengaLuru is 13 deg N latitude. Look at the purple circle tilted at 13 deg N to the horizon.The path of the sun is perpendiculat to that. The red dashed circle and the blue dashed circle show the sun’s northern most and southern most paths.
The sun is closer to zenith at Colombo than it is at Srinagar at noon today.
The circles below the horizon indicate different sunset positions for different kinds of twilight definitions.