How many minutes in a half
an hour?
Chanuka candles need to burn
for half an hour after nightfall.
The שר התורה Harav Chaim
Kanyevski שליט"א, holds that the half
hour is measured in שעות זמניות of the night time.
In North America in Mid
December, a daytime hour* = approximately
45 minutes and a nighttime
hour = approximately 75 minutes.
Therefore, half a nighttime hour
= approx 37.5 minutes.
*ע"פ הגר"א
What do other poskim hold?
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