Jewish Holidays

After the destruction of the First Temple, the Prophets and the Sages of Israel legislated fasting on the Tenth of Tevet, for it was on that day that Nebuchadnezzar, the King of Babylon, and his legions placed Jerusalem under siege.

Why are some Jews opposed to using the standard non-Jewish calendar? What is it exactly that bothers them about the usage of the accepted "fiscal" calendar, and of what great importance is the Hebrew calendar?

Unlike Greek thought, Judaism teaches that all of man's actions possess value and make an impression upon the heavens and earth - momentarily and eternally. The morality of man is not mere courtesy; our commandments are not some external performance.

What reason is there, in our day, to rejoice over the return of Jewish self-rule in the Second Temple era? After all, we see that, at any rate, the Temple was eventually destroyed, and the Jewish people were exiled from their land.