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Traveling on a Fast Day

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Rabbi Elchanan Lewis

24 Kislev 5765
Question
Bโ€™Shaโ€™a Tova Uโ€™Mutzlachat, I plan on flying to Israel in a few weeks. I just noticed that my flight falls out on December 22 - Asara Bโ€™Tevet! What is the Halacha regarding fasting on an intercontinental flight - and across 7 time zones? Do I use New York time to determine how long I fast, and when the fast is over?
Answer
If you leave NY fasting โ€“ you should do as follows: if you reach Israel at night โ€“ you break your fast as you land, if you are on the plane when the fast finishes in NY โ€“ you can eat then.
ืืช ื”ืžื™ื“ืข ื”ื“ืคืกืชื™ ื‘ืืžืฆืขื•ืช ืืชืจ yeshiva.org.il