The essence of Jewish holidays has not changed over time. E.g. On all Jewish holidays work is forbidden. On Sukkoth the 4 species are takes and Jews sit in Sukkoth. On Passover Matzo is eaten. This has always been the case. The most noticeable change has been that since the temple was destroyed about 2,000 years ago the holiday sacrifices have no longer been offered. The other change has been the introduction of electricity which has changed the lighting from candles to electric, and made it possible to have abundant light, heat and warm food throughout the holiday. (Turning electricity on/off is forbidden,but using time switches is very common.)
Usually, Jewish weddings take place on Sundays, but NOT during Shabbat and Jewish holidays. Ask your rabbi for more information.
The Jewish people celebrate all the holidays given to us by G-d in the Torah(i,e Passover and Yom Kippur) and a few other holidays added through time that tell of our past (i.e Hanukkah and Purim).
Yes, it is a very happy time. As with many Jewish holidays, it celebrates victory over enemies that sought to destroy the Jewish people. In fact, most occasions are happy. There are only a few non-happy occasions on the Jewish calendar (these are to mark the destruction of the Temple).
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The laws of physics have not changed over time. Our understanding of them has changed over time.
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People changed over time by growing up.
no they have changed over time. no they have changed over time.
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well it has changed over time bye people dancing it different styles.
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