Mjer
Mjer is a fictional unit of time used in world-building and speculative fiction. It is defined as 72 minutes, and a standard day consists of 20 mjers, yielding a 24-hour day when combined with a 60-minute hour. The unit is used to model durations and schedules that are shorter than a day and to create a distinctive temporal rhythm in a setting.
The term mjer derives from the fictional Meridian language, with early references in the Meridian Chronicles
Usage and variations: In most in-universe systems, the day consists of 20 mjers; some cultures employ longer
Conversions and examples: 1 mjer equals 72 minutes; 1 hour equals 0.833 mjers; 1 day equals 20