Historians Sailors Astronomers
Now some concrete examples of use will be shown.
On this ancient Babylonian wedge writing platelet there is - among others - noticed that there occurred a full moon in Babylonia on Saturday, the 7th of November in the year 7 B.C. at 07.33am. (Source: Kalender und Chronologie, Prof. Heinz Zemanek, 3rd Edition, Page 89). To verify this statement with the Millenniumuhr only the date (7.11.-7) and the time (7.33) have to be typed in. It is not necesary to choose the place Babylonia, since the phase of the moon is location-independent. The yellow arrow in the moongraphic indicates the phase of the moon (cp.: picture). On this date he points exactly at the full moon! The result is non-ambiguous: The statement on the wedge writing platelet is minutely correct!
Wherever one sojourns (in the mountains, by the sea), the times of the twilights are always quite precise!-whereas sun- and moonrises can often not be observed when they are not in sight on the horizon due to mountains, houses, or clouds. Example : Twilight-levels in London on February, the 4th in the year 2100 Civil Twilight :At what time it is bright enough (too dark) to read the papers?Nautical Twilight :Until what time can the horizon still be recognized resp. at what time will it be possible to see the horizon?Astronomical Twilight :When will it be dark enough to observe stars of magnitude 5 with the naked eye? |