Leap Year
The Gregorian solar calendar used by the Western world, is based on the cycle of the sun. The tropical (solar) year is 365 days, 5 hours, 49 minutes and 16 seconds. Thus every four years…
Leap Year
The Gregorian solar calendar used by the Western world, is based on the cycle of the sun. Technically, the tropical (solar) year is 365 days, 5 hours, 49 minutes and 16 seconds.…
Leap Year
The Gregorian solar calendar used by the Western world, is based on the cycle of the sun. The tropical (solar) year is 365 days, 5 hours, 49 minutes and 16 seconds. Thus every four years…
Leap Year
The Gregorian solar calendar used by the Western world, is based on the cycle of the sun. Technically, the tropical (solar) year is 365 days, 5 hours, 49 minutes and 16 seconds.…
Leap Year
The Gregorian solar calendar used by the Western world, is based on the cycle of the sun. The tropical (solar) year is 365 days, 5 hours, 49 minutes and 16 seconds. Thus, in order to…
Leap Year
The Gregorian solar calendar used by the Western world, is based on the cycle of the sun. The tropical (solar) year is 365 days, 5 hours, 49 minutes and 16 seconds. Thus, in order to…
Cycles of Seasons
While the Jewish calendar is lunar based, meaning that each month is independently calculated by the cycle of the moon, the rabbis of the Talmudic era also used the solar cycle and the…
Total Eclipse
Last night/early this morning, North Americans were able to view a complete lunar eclipse. While this is not a rare occurrence, it is always a fascinating event. One might expect the…
Eclipse
One might expect the sages to record eclipses as moments of awe, but instead the Talmud (Sukkah 29a) ascribes what seems to be a strange meaning to them:“Our Rabbis taught, When the…
Abraham Ibn Ezra
Biblical scholars study his Torah commentaries, poets read his verse, grammarians look to his linguistic work and a lunar crater is named in his honor. Meet Rabbi Abraham ben Meir Ibn…