| Description: Units_of_Time is a unit in which time is measured. |
| | Unit Id |
| | day | day, a unit of time (1 day = 24 hours = 86,400 seconds). |
| | hr | hr is an abbreviation for hour, which is a unit of time (1 hr = one hour = 60 minutes = 3,600 seconds). |
| | julian day | julian day, a unit of time (1 day = 24 hours = 86,400 seconds). Usually, julian days are characterized by a continuous count from a starting date. |
| | microseconds | microseconds, a unit of time (10**6 microseconds = one million microseconds = 1 second). |
| | min | min is an abbreviation for minute, which is a unit of time (1 min = one minute = 60 seconds). |
| | ms | ms is an abbreviation for millisecond, which is a unit of time (1000 milliseconds = one thousand milliseconds = 1 second). |
| | ns | ns is an abbreviation for nanosecond, which is a unit of time (10**9 nanoseconds = one billion nanoseconds = 1 second). |
| | s | s is an abbreviation for second, which is a unit of time (an SI base unit) |
| | yr | yr is an abbreviation for year, which is a unit of time (depending on the details of the definition, one year is approximately 365.2425 days) |