Afternoon begins at 12:01 p.m. and ends at 6 p.m. Many consider sunset to be the ending time for afternoon, but that leads to a large difference in afternoon ending times, from 5 p.m. in mid-winter to 9:30 p.m. in mid-su... More »

There is no precise definition of late afternoon, except that it is the part of the day that is just before evening time. Oxford Dictionaries defines afternoon as the time between noon or lunchtime until evening. More »

Mid-afternoon is not a precise measure of time but is rather a vague term to refer to the approximate middle of the time between 12 p.m. and sunset. Because the sun sets at different times throughout the year and at diff... More »

Convert the time in one time zone to the time in a different time zone at, and convert a quantity of time in one unit to a quantity of time in a different unit at Other methods for conv... More » Science Time & Calendars

A clock system, or clock network, refers to a fully synchronized network of clocks in constant communication with each other and in which each clock displays precisely the same time as all the others within the system. A... More » Science Time & Calendars

Reading clock time on a sundial requires three major adjustments to the solar time displayed: adjusting for the reader's location, for Daylight Savings Time and for the non-uniformity of solar time. The sundial shows the... More » Science Time & Calendars

Most of the United States changes the time on the clocks in the spring and in the fall. Daylight Saving Time begins on the second Sunday in March and ends on the first Sunday in November. More » Science Time & Calendars