| Name | Description | Type | Package | Framework |
| AlarmClock | A class representing a way to display and change time. | Class | org.jscience.history.time | JScience |
| BasicClock | A class representing a way to display and change time. | Class | org.jscience.history.time | JScience |
| ChineseTime | A class representing a way to compute time. | Class | org.jscience.history.time | JScience |
| ChronometerClock | A class representing a way to display and change time. | Class | org.jscience.history.time | JScience |
| Clock | A class representing a way to display and change time. | Class | org.jscience.history.time | JScience |
| ComplexClock | A class representing a way to display and change time. | Class | org.jscience.history.time | JScience |
| CountdownClock | A class representing a way to display and change time. | Class | org.jscience.history.time | JScience |
| DecimalTime | A class representing a way to compute time. | Class | org.jscience.history.time | JScience |
| HexadecimalTime | A class representing a way to compute time. | Class | org.jscience.history.time | JScience |
| InternetTime | Class | org.jscience.history.time | JScience | |
| ModernTime | A class representing a way to compute time. | Class | org.jscience.history.time | JScience |
| Time | A class representing a way to compute time. | Class | org.jscience.history.time | JScience |
| TimeEvent | A class representing a way to have time related events. | Class | org.jscience.history.time | JScience |
| Timeline | A class representing a Set of events. | Class | org.jscience.history | JScience |
| TimeListener | A class representing a way to have time related events. | Interface | org.jscience.history.time | JScience |
| TimeServer | A class representing a way get time values. | Class | org.jscience.history.time | JScience |