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10
votes
1answer
260 views

When does a day start/end in the far North/South?

As I understand it, a day in the Jewish calendar is from sunset to sunset. How is this handled if you are living so far north or south that you have long periods of daylight or darkness?
13
votes
5answers
729 views

Nittle Nacht Meaning

What is Nittle Nacht? What does the name mean? What is its significance? Which Halachic authorities speak about it, and what do they say? What is the actual date for it? How is it effected this ...
13
votes
2answers
280 views

Is it heresy to follow secular dating on the destruction of the first Temple?

There is a discrepancy between rabbinic and secular sources regarding when the first Temple was destroyed -- a difference of some 165 years or so, which are called the "Missing Years." My question is ...
17
votes
2answers
917 views

When did we start counting the Year since Creation?

This year is 5772 / תשעב (Taf-Shin-Ayin-Bet) on the Hebrew Calendar. What is the earliest reference to the Year counting from the Creation of the world?
9
votes
5answers
1k views

How Do I Know If it's a Hebrew Leap Year?

How can I tell if a given year is a Hebrew Leap Year? The simpler, the better. [Assuming we are using a fixed calendar, not like the "olden days".]
3
votes
3answers
599 views

Why use Babylonian calendar instead of our own?

Why did the Hebrews not create their own calendar system instead of copying the pagan Babylonians'? I find it interesting that they use a pagan calendar which often honours pagan gods. Why is this ...
6
votes
1answer
153 views

New date at sunset: question on Sifse Chachamim

Avoda Zara 25 cites a difference of opinion as to how long the sun stood still for Y'hoshua: twelve hours, twenty-four, or thirty-six. According to those who say twelve or thirty-six, the sun finally ...
6
votes
1answer
258 views

Who divided the Tehillim into days?

Who divided the Sefer Tehillim into daily sections (both day of week and day of month)?
5
votes
4answers
429 views

Cheshvan or MarCheshvan?

The month of Cheshvan is called by many MarCheshvan. Are both correct or which one is more correct?
4
votes
1answer
1k views

How long does one say Kaddish for a parent?

For example, if one's parent died on 1 Nissan, and was buried on 2 Nissan, what is the last day on which kaddish would be said for them?
21
votes
3answers
519 views

The Fanatic Badge

Here on Mi Yodeya, one can earn the "Fanatic" badge for visiting the site for 100 consecutive days. Is it halachically possible to earn the fanatic badge in the Diaspora?
37
votes
4answers
1k views

How do we know that the civil Saturday is the correct Shabbat?

Disclaimer: I am not a religious Jew, this question is only out of curiosity. I understand that observant Jews observe Shabbat from Friday night to Saturday. And from this question and this it seems ...
16
votes
8answers
400 views

Birthdays in Judaism

Is there any significance in Judaism attached to the day someone was born (aside for the 13th year)? Is there anything wrong with celebrating one's birthday? And is it more correct to celebrate the ...
6
votes
1answer
139 views

Late Yom Hatzmaut

What is the rule: when is Yom Hatzmaut moved from the fifth of Iyar to an earlier or later date?
6
votes
4answers
404 views

Eclipse of the moon, bad sign for the Jews

Tonight, December 20, 2010, there will be a full lunar eclipse visible from North America and many other areas. I recall there is a Gemara that says that a lunar eclipse is a bad omen for the Jews as ...
8
votes
1answer
214 views

20 Sivan and the inappropriateness of new days of commemoration

The kina (elegy) "Mi yiten roshi mayim" recited on 9 Av was composed in commemoration of the events of the First Crusade as it passed through the Rhineland. It includes the following lines (freely ...
7
votes
3answers
12k views

When is the next shmita year (as of 5772)?

When is the next shmita year? Is there disagreement about which year? If so, which Jewish sects or traditions believe the shmita is in which years? If you specify years since creation, please also ...
6
votes
1answer
114 views

When is “vesain tal umotor” said in Australia?

When is "vesain tal umotor" said in the Southern Hemisphere eg Australia?
5
votes
3answers
233 views

Parashas Shavua calculation

I'm writing a site where the user would be able to see the calendar with jewish-civil translation of dates, and also which parasas shavua falls on which Shabbos. I'd like to know what is the formula ...
4
votes
1answer
120 views

An improved Jewish calendar after this one expires?

Conventional wisdom has it that about 1600 years ago, the latter Hillel utilized his Sanhedrin to sanctify the Hebrew calendar as we know it today until the year 6000. (Presumably by that point we'll ...
4
votes
1answer
169 views

Tuesday and Friday nights

Bavli P'sachim 112:2 has a story of an angel of destruction who would work daily (see Rashash) until asked to quit. When she requested some time to work, the rabbi she was talking with allowed her ...
3
votes
1answer
97 views

6 chapters of Avos in 7 weeks

Some study pirke Avos weekly through the summer, from Pesach to Rosh Hashana. Others do so only for the six Shabasos between Pesach and Shavuos, one chapter a week. I've heard the latter custom ...
3
votes
6answers
274 views

When Adar Begins we increase our Joy-משנכנס אדר מרבים בשמחה

משנכנס אדר מרבים בשמחה- When Adar Begins we increase our Joy (I know it is not in Shulchan Aruch or the Rambam) What is the practical application of it?
12
votes
1answer
1k views

Why does the Jewish calendar HAVE to end?

It seems to be common knowledge that on or around the year 6,000 of the Jewish calendar "everything" (left intentionally vague) will come to an end and there will be a 1,000 year 'Shabbos'. I'm ...
8
votes
1answer
189 views

When does one stay up all night?

Can we get a complete list of occasions (dates or other occasions) on which someone (everyone, or just those with a particular circumstance) stays up all night (on purpose)?
5
votes
1answer
80 views

Aharon's and Miriam's Yahrtzeit

The Book of Numbers spans almost the entire 40 year period in the desert, documenting numerous events that occurred to the Jews as they wandered. I count only 5 dates mentioned in the text (listed in ...
11
votes
1answer
289 views

Why is Purim on Adar II during a leap year?

On a leap year, when a second Adar is added, we celebrate Purim on the second Adar. I would think it should be celebrated on the first Adar, since the Megillah goes out of its way in several places to ...
11
votes
1answer
129 views

First-Temple-Era names of the Hebrew months?

The Chumash refers to the months simply as "the first", "the second", and so on. Today we know them by their Babylonian names (Nisan, Iyar ...) Occasionally the Prophets from the First-Temple Era use ...
11
votes
1answer
511 views

Praying for rain in the Diaspora

Why on this year (and on other years that precede civil leap years) do we start praying for rain in the Diaspora (by inserting the phrase 'Vetein tal umatar") at maariv of December 5 and not maariv of ...
10
votes
3answers
229 views

9 Days of Chanukah?

All Yomim Tovim we celebrate in Chutz Laretz an extra day because of A safek, why do we not do the same for Chanukah?
7
votes
0answers
82 views

Why does the torah give us exact dates for the flood?

This question asks why the flood didn't end on the 18th of Cheshvan (one year after the start). My question is more basic: why does the torah give us precise dates here at all? Bereishit 7:11 tells ...
7
votes
1answer
76 views

Getting a late start on being Maavir Sedra for the year

I remember hearing when I was younger that ואלה שמות - is Roshei Teivos V'Chayav A'dam L'haavir H'sedra S'htayim M'ikra V'echod T'argum. If someone who has not been Maavir Sedra so far this year is ...
7
votes
1answer
127 views

Tachanun on Monday and Thursday

Why do we say a longer Tachanun on Mondays and Thursdays compared to the other days of the week?
6
votes
0answers
77 views

“לְחֹדֶשׁ שְׁנֵים עָשָׂר” in al hanisim on purim this year

As I was reading Al Hanisim this year, something odd struck me "לְחֹדֶשׁ שְׁנֵים עָשָׂר" - the 12th month. What struck me was that this year is a leap year so we actually celebrated Purim in the ...
6
votes
2answers
158 views

Walled cities for Purim other than Jerusalem

The holiday of Purim is unique in that some locations celebrate it on different days. The rule is: if the city was walled at the time of Joshua's conquest of the Land of Israel then they celebrate on ...
4
votes
1answer
91 views

Time Parameters of Mishenichnas Adar Marbin B'Simcha

Is "Mishenichnas Adar Marbin B'Simcha" just for the month of Adar, and then you take a step down in simcha for Nisan? Or are you supposed to raise your level of simcha and stay there until Av, when ...
4
votes
0answers
43 views

Yakkov living in Egypt 17 years - connection to 210 years of servitude

Parshas Vayechi starts off that Yaakov lived in Egypt for 17 years. I was thinking that 17 years x 12 months = 204 months. Usually in 17 years there are 6 leap years which would increase the total ...
4
votes
2answers
93 views

Why do we do anything for Pesach Sheini?

According to my handy Luach, on Pesach Sheini, some people omit tachanun (I haven't looked into any source texts to see who does) and according to the Wikipedia page, some eat matzah but I'm wondering ...
4
votes
1answer
109 views

When do we change back the ark-cover etc from white to the rest-of-the-year colour?

When do we change back the proches (ark-cover) etc from white to the rest-of-the-year colour? I would have thought right after Simchas Torah or possibly Isru Chag?
4
votes
1answer
308 views

When and why did we start reading the Parshat Hashavua?

My question is twofold: When did we start reading a new parsha (torah portion) every week? Why did we start reading a new parsha (torah portion) every week?
4
votes
1answer
484 views

Mashiv HaRuach - V'Sain (veten) Tal Umatar

Why do we start saying Mashiv HaRuach on Shemini Atzeres yet we do not say V'Sain Tal Umatar until Dec 4 / Dec 5 (In Chutz L'Aretz)? Why should they not be on the same day when they are similar ...
3
votes
4answers
682 views

Where can I find a chart of the Mishna Yomit (daily Mishna learning)?

Where can I find a chart of the Mishna Yomit (daily Mishna learning) - either online or offline?
3
votes
3answers
286 views

Moshe Rabeinu's Yarzheit

It is common knowledge that Moshe Rabeinu was Niftar on 7 Adar. Was it a plain year with 1 Adar or a leap year with 2 Adars? If it was a leap year on what Adar was he Niftar?
3
votes
1answer
90 views

Selichos start: Ashkinazim vs. Sefardim

Why do Sefardim start saying Sleichos earlier than Ashkinazim?
2
votes
1answer
101 views

Making up a synagogue calendar manually is tedious work. Which software can do the calculations automatically?

The year 2014 starts soon. Lots of synagogues print up a customized calendar every year. (Sample.) Such a calendar includes shul-specific information (e.g. service times and maybe a weekly class or ...
2
votes
1answer
77 views

What sources are there for the meaning of Yom HaMeyuchos (2nd Sivan)?

Ohr Sameach gives the chronology according to Rashi of the giving of the Torah. Early the following morning, the 2nd of Sivan, Moshe goes up Mt. Sinai for the first time. He is instructed to ...
2
votes
2answers
104 views

On which day in Teveis did this happen?

In Megilas Esther 2:16 it mentions that Esther was taken in Teveis to Achasverosh's palace. Does anyone know on which day of the month this happened?
1
vote
0answers
23 views

May the Jewish year be abbreviated in legal documents?

In conjunction with this question I would like to know if the popular abbreviation for the Jewish year 5774 commonly written as תשע״ד may be used in legal documents and if so why.
1
vote
1answer
50 views

Why do we abbreviate the Jewish year to the hundreds column?

The current Jewish year is 5774 however it is popularly abbreviated as 774 - תשע״ד. I would like to know why this abbreviation was adopted. I realize that to write out the number 5,000 would require ...
1
vote
0answers
25 views

Why are the daily tehilim divided as they are?

How were the daily starting and ending points for weekly and monthly readings of all of tehilim chosen? Are they just chosen to make them all approximately the same length, or are there specific ...