Left Select: as, fs, ps, ns, us, ms, s, min, h, d, y,
Right Select: as, fs, ps, ns, us, ms, s, min, h, d, y,
Left Select: Planck time, attosecond [as], femtosecond [fs], picosecond [ps], nanosecond [ns], shake, microsecond [us], millisecond [ms], second (sidereal), second [s], minute (sidereal), minute [min], hour (sidereal), hour [h], day (sidereal), day [d], week, fortnight, month (synodic), month, year (Julian), year (leap), year [y], year (sidereal), year (tropical), quinquennial, septennial, octennial, novennial, decade, quindecennial, century, millennium,
Right Select: Planck time, attosecond [as], femtosecond [fs], picosecond [ps], nanosecond [ns], shake, microsecond [us], millisecond [ms], second (sidereal), second [s], minute (sidereal), minute [min], hour (sidereal), hour [h], day (sidereal), day [d], week, fortnight, month (synodic), month, year (Julian), year (leap), year [y], year (sidereal), year (tropical), quinquennial, septennial, octennial, novennial, decade, quindecennial, century, millennium,
