But why expend all this effort to help the moon tell solar time?
Thus with respect to solar time, the tides get later each day.
In the early 19th century, Portugal adopted mean solar time.
Many areas have its time two hours ahead of the mean solar time.
If the gear ratios are correct, the clock shows solar time.
This is one of the largest differences in the world between standard time and mean solar time.
The fundamental unit of solar time is the day.
Many methods have been used to simulate mean solar time.
But eventually it became clear that three effects are involved, when measured in terms of mean solar time.
A sundial shows the current solar time during the day.
Słownik astronomiczny