Questions related to different times of day as they apply to Jewish Law.

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Following more lenient opinions for fasting times

Related: Until what time in the morning may you eat on a fast day? There are different opinions about exactly when one must start fasting. For someone planning to wake up to eat, all agree that they ...
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0answers
56 views

Eating after shkiah on a weekday

ב"ה I know one isnt allowed to eat after Shkiah on Shabbos. But what about a weekday? For instance what if one started a meal right before shkiah or during bein hashmoshis? My question is prompted ...
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1answer
79 views

Time for Reading the Meggilah

What is the optimal time for reading the Meggilah By day? By night? When is the first and last halachicly acceptable time for each?
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2answers
133 views

Why is the world round? [closed]

Why does shabbat start at different times at different places? Crossing a time zone does not conjure up a time warp, so how can it be Friday in one place, and Shabbat in another? It just doesn't ...
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2answers
1k views

when do you stop eating bread and etc.. for passover?

Do you stop eating bread once Seder starts or beginning of the morning of Seder day? Not sure about this
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1answer
137 views

Correct procedure for davening in Synagogue after sof zman tefila

In America, it is very common for shuls to start quite davening shacharit quite late on Shabbat. Suppose someone is going to be attending a synagogue that will not reach shmoneh esrei before sof zman ...
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1answer
104 views

Shabbos in Tahiti [duplicate]

I have a friend who is interested in going to Tahiti for a weekend. I was wondering if there are any issues with the halachic dateline and if he would have to hold 2 days of shabbos.
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1answer
65 views

Blowing Shofar at end of neilah before nightfall of Rabbeinu Tam

How do Chassidim and litvaks who hold Rabbeinu Tam's view of when nightfall is (later than most people's) blow shofar before that time after neilah?
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1answer
175 views

Wearing tallis and tefillin before z'man

About the time the clocks change for the season, there is always an issue at the early early minyan about when to put on tallis and tefillin. In a few weeks of the year, that time can come 5 - 15 ...
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34 views

Spices and candles before your zman

If one holds 72 minutes for shabbas to be over and they are staying by someone who holds 50 minutes and they make havdalla by 50 min can the 72-minute-people participate in their havdalla to fulfill ...
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132 views

Waking up early to eat before a fast

I was just wondering about the halachos of waking up to eat before a fast day. If one had intention, is it best to wake up, wash negal vasser, get dressed, go to bathroom say Al Netilas Yadaim, Asher ...
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Why aren't we using sundials to mark halachic hours, at least partially?

Since splitting the daylight time into twelve equal parts was the standard when sundials were the norm, why aren't we still using them now (the sundials), at least partially? Is there any source for ...
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2answers
131 views

Can there be an early 'Tzes HaChochavim' due to an eclipse?

When the sun is fully eclipsed the sky darkens and the stars appears as if it was night. Obviously, when this happens in the middle of the day, and the process of the moon slowly moving to occlude ...