Winter solstice instant of the solstice can be calculated, direct observation of the solstice by amateurs is impossible because the sun moves too slowly or appears to stand still (the meaning of "solstice"). However, by use of astronomical data tracking, the precise timing of its occurrence is now public knowledge. One cannot directly detect the precise instant of the solstice (by definition, one cannot observe that an object has stopped moving until one later observes that it has not moved further from the preceding spot, or that it has moved in the opposite direction). Further, to be precise to a single day,
Dump months thus attract major releases throughout the year, the two that occur during these months—Martin Luther King Day in January and Presidents' Day in February—offer only a modest prospect for improvement. The most lucrative take by any movie on Martin Luther King Day weekend is $107.2 million by "American Sniper" in 2015, its first weekend in wide release; the previous best opening weekend was "Ride Along" the previous year, taking in $41.5 million ($48.6 million if the entire three-day holiday weekend is counted). Presidents' Day benefits by its proximity to Valentine's Day (which, as it is always February 14, is often