What is "datetime"
A Datetime object in many programming languages describes a date and an hour of the day. You can express any instant in time or a position on a calendar, depending on the context in which it is used and the specific application.
In sql-server,
datetimeis a guy who represents a date and time of day. It does not load time zone context, so it is a position in a calendar, not an instant in time.In .net,
datetimeis a structure that represents a date and time of day. The precise meaning is dependent on the value of your propertyKind.In jodatime, a popular library java,
datetimeis a class representing an instant in time, with reference to a given time zone.In python,
datetimeis an object that represents a date and time of day. The precise meaning is dependent on the value of its propertytzinf. It’s also the name of module that providesdate,time,datetime, and related objects.In php the class
DateTimeis a representation of an instant in time, with reference to a given time zone.In Fortran, the date and time manipulation library
datetimecan be used.