Winter solstice one must be able to observe a change in azimuth or elevation less than or equal to about 1/60 of the angular diameter of the sun. Observing that it occurred within a two-day period is easier, requiring an observation precision of only about 1/16 of the angular diameter of the sun. Thus, many observations are of the day of the solstice rather than the instant. This is often done by observing the sunrise and sunset or using an astronomically aligned instrument that allows a ray of light to be cast on a certain point around that time. Length of day
Dump months of Halloween at the end of the month. However, this began to change in the 2000s due to the way series such as the "Saw" and "Paranormal Activity" films dominated that period, prompting distributors of other horror films to consider releasing them during the winter dump months instead. In 2012 Paramount enjoyed huge success with the unheralded "The Devil Inside", released right after New Year's Day despite a strongly negative critical and audience reaction; the next year "Mama" was received enthusiastically by critics and filmgoers when it came out on Martin Luther King Day weekend after being rescheduled from the