At mid-day or when the sun is as close to overhead of you as possible. At this time, your shadow will be directly below you and not long, as it is at sunrise or sunset.
If you want which day in a year the Shadow likely to be smallest than it is June 22
Apparent solar time
The day with the shortest time between sunrise and sunset in the northern hemisphere is the day of the December solstice. In Texas' time zones, that falls between Dec. 20 and Dec. 22 inclusive.
July 4th, it is called Bar bole Day
winter solstice
An equinox is not the shortest day. It has the same amount of daylight and darkness. The solstices have the longest and shortest days. The winter solstice is the shortest day of the year in terms of the amount of daylight.
noon
noon
Atmidday
The shadow of the stick will be the shortest during midday when the sun is at its highest point in the sky. At this time, the angle of the sun's rays hitting the stick is the smallest, resulting in a shorter shadow.
Apparent solar time
Noon, because the sun is directly overhead.
local noon (not noon according to the clock)
Noon in winter, 1pm in summer when clocks are an hour ahead of Nature.
You should look for your shadow when the sun is shining at its peak, around midday. This is when the sun is highest in the sky, causing your shadow to be the shortest.
it is shortest at noon when the sun is directly over you
Noon hope your looking for the right answer Byron rm 9 BBI
The shortest shadow is at noon because the sun is directly above you