Kislev is a month, not a holiday. It occurs sometime during November to mid-December, depending on the year.
kislev (כסלו)
the 25th of Kislev.
The 25th of kislev, 165 BCE.
Eight days, beginning on the 25th of Kislev.
For eight days, beginning on the 25th of Kislev, which occurs in the winter.
Dedication is the translation of the Hebrew word Hanukkah, which is celebrated on the 25th of Kislev (corresponding to November or December).
Channukah falls on 25 Kislev and the following seven days, for a total of eight days.
Hanukkah falls on the 25th of Kislev, which may coincide with November or December.
Hanukkah was first celebrated in 164 BCE, starting on the 25th of Kislev of that year.See dates of Hanukkah for the next couple of decades on this linked page.See also:More about Hanukkah
Chanukah, and all other Jewish holidays go by the Jewish calendar months. Chanukah takes place on the 25th of the month of Kislev, which coincides with our months of November or December. The holiday celebrates the re-dedication of the Temple, after it was destroyed by the Syrian-Greeks in the 2nd century BCE. That event occurred in the month of Kislev, which is why the holiday is celebrated when it is today.
Kislev is the name of the 9th month of the Jewish calendar. The 25th day of Kislev is the first day of Chanukah. The month overlaps with the month of December.
The same time as in the rest of the world, that is for eight days from the 25th day of the Hebrew month of kislev. This year that was December 11th, in 2010 it will be December 1st.