All work is permitted since Purim is not subject to the Shabbath like restrictions on work: though it is suggested that we should not go abut our ordinary business on Purim out of respect for the holiday, and if it is possible, it is preferable to take the day off from work.
However, it is perfectly acceptable to work in order to fulfill a mitzvah, or to do work that fulfills Purim related needs and activities. Also, work, such as driving, cooking or turning on light is certainly permitted.
Yet, keep in mind that the Sages advised:
"Whoever works on Purim will never see a blessing from the profits earned."(Code of Jewish Law, Orach Chaim 696:1)
Passover begins about a month after Purim
Judaism.See also:The origins of Purim
Purim is a Jewish holiday, it's not a part of Catholicism.
The Jewish holiday of Purim falls in the Jewish month of Adar, which is February-March time according to the secular calendar. See http://www.answers.com/purim
Adar is the last month of the Jewish calendar. Purim is a Jewish holiday celebrated on the 14th of Adar. They are not one and the same thing.
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The book that is read on the Jewish holiday of Purim is called Megillat Esther (the Book of Esther) which tells the story of Jewish salvation during the time of King Achashverosh (Ahasuerus), ruler of the Persian-Median Empire approximately during the 4th century BCE.
The festival is called Purim