A calendar date calculator
Authors: Voisey, Peter W.
Description: The need to determine the number of days between given calendar dates or vice versa frequently arises in agricultural research and production. The elapsed time before certain actions must be taken in the reproductive and productive cycles of animals and plants must be controlled and scheduled. For example, gestation in animals, movement of hens to laying batteries and the planting or harvesting of crops. Time is expressed as calendar dates because these relative points in time are universally used and understood. Conversion of time periods to dates can be made by a computer but for many purposes this is not convenient. Counting days manually on a calendar is time consuming and subject to error particularly if numerous conversions must be made. A solution is the circular calculator of which there are many special types manufactured. However to the author
Keywords: a calendar date calculator
Citation: Voisey, Peter W. 1968. A CALENDAR DATE CALCULATOR. Canadian Agricultural Engineering 10(1):42-42.
Start page number: 42
End page number: 42