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10
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3answers
1k views

In a leap year, is the extra month Adar I or Adar II?

I'm implementing support for the Hebrew calendar in Noda Time, my date/time library for .NET. I think I'm mostly there aside from text support (although beta testers would be very welcome!) but one ...
0
votes
1answer
34 views

The Book of Numbers and Passover

Why is LORD'S passover (Numbers 28:16) on the fourteenth day of the first month?
0
votes
1answer
60 views

Creation of State of Israel and birth of Abraham - 1948

According to the Jewish calendar, Abraham was born on the year 1948. The state of Israel was declared in 1948 according to the secular calendar. Is there any significance to this or is it just ...
0
votes
0answers
17 views

Trying to get Shmita year dates without a headache [duplicate]

I would like to know the shmita dates starting from 5775-5733. example:5775 (25 Sept 2014 - 13 Sept 2015)
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 ...
5
votes
2answers
661 views

If Yom Kippur hypothetically fell on Sunday, would you make havdalah?

I was curious about this hypothetical situation. If Yom Kippur would fall on Sunday, Motzei Shabbat, so immediately when Shabbat ends, Yom Kippur starts. Would there be some sort of separation, בין ...
2
votes
1answer
42 views

Where does 5774 fall in the 19-year cycle?

We are in a leap year, as indicated by the presence of Adar Bet. Leap years occur every third, sixth, eighth, eleventh, fourteenth, seventeenth and nineteenth years in the cycle. So how to tell ...
6
votes
0answers
79 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 ...
1
vote
0answers
59 views

What are the months of Jewish civil and religious calendar?

I understand that Jewish religion has two calendars; one is Civil for Kings, childbirth, contracts etc. and second for festivals. what are the months of these calendars and how they are related ...
5
votes
2answers
100 views

Why did Hashem create the world in such a way that a leap year is needed?

I understand why we have a leap year; to keep the sun and moon cycles in sync, so that Pessach is always in the spring. That's all technical, as a result of the moon orbiting too slowly - or the sun ...
11
votes
1answer
305 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 ...
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 ...
2
votes
1answer
55 views

When does the year start in terms of saying “Ulichaporas Pasha” for a leap year?

When we add the words "Ulichaporas Pasha" during Musaf of Rosh Chodesh when it's a leap year, when is the year determined - Nisan or Tishrei?
8
votes
3answers
177 views

“When Adar Comes We Increase in Joy” - already from Adar I?

Does the Talmudic dictum משנכנס אדר מרבין בשמחה (When Adar comes we increase in joy) start even in אדר ראשון (Adar I) in a leap year?
1
vote
1answer
83 views

Is Jewish birthday the same every lunar year

I understand the Jewish birthday is calculated on the lunar year, which could cause the birthday to drift back and fourth along the lunar calendar. But supposing the child was born, say, first day of ...
4
votes
0answers
40 views

Parshas Zachor before Purim?

Prior to the story of Purim was there a special yearly reading of Parshas Zachor? At which point in history was it instituted to read Parshas Zachor before Purim?
0
votes
0answers
56 views

What calendar-dependent laws must non-Jews follow?

While the calendar is vastly important in Judaism, it seems like it is barely applicable to non-Jews. The "big seven" Noahide laws seem to be perenially applicable; they dictate general rules for life ...
0
votes
1answer
93 views

Can one say kaddish for a gentile?

We are inclined to say kaddish on the yahrzeit of a very dear friend who was not Jewish, just as we would for a relative. Is there a reason not to? I am also interested to hear reasons why this is a ...
4
votes
1answer
60 views

Counting years according to the solar calendar

I once heard there is an opinion in Rishonim (maybe Gaonim?) that says we count ones years of life according to the solar calender. So for example a boy would become bar mitzvah when he would turn 13 ...
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 ...
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 ...
5
votes
1answer
112 views

Why announce Mashiv Haruach and not Vtein Tal?

When we start saying mashiv haruach there is an important requirement of announcing the liturgical change. If one does not hear the announcement, one does not say mashiv until the community would have ...
4
votes
1answer
72 views

Ulchaparat pasha in Chazarat haShatz

When "ulchaparat pasha" is said in the Chazarat haShatz of Rosh Chodesh, how should the amein of the tzibbur be handled? Should the amein from "velislichat avon" be deferred until after "pasha," or ...
1
vote
2answers
97 views

How often does chanukah start before v'tain tal?

Outside of Israel, we start saying "v'tain tal oomatar livrachah" ("and provide dew and rain for a blessing") in the amida on the evening of December 4th or 5th (depending on the year). Chanukah ...
4
votes
2answers
293 views

Google says it is the Jewish Year 5774. The wiki says Judaism is 3000 years old. How is this discrepancy reconciled?

Google says it is the Jewish Year 5774. The wiki and other sources say Judaism is 3000 years old and suggest Abraham was born 4000 years ago. Where is the discrepancy? I am perhaps looking for an ...
4
votes
0answers
82 views

What is a ger's birthday in terms of Jewish astrology? conversion date or birth date?

In terms of Jewish astrological signs and influences on people, per Kabbalah, would a ger use their actual 'birth' date or their date of conversion which is considered a rebirth?
2
votes
0answers
33 views

Did Brit with rainbow happen in Kislev?

I read on torahvort.com in their article on Kislev that the Brit with Noach about the rainbow happened in Kislev. We know from the end of Ber 8:27 that Noach left the ark on the 27th of the 2nd month, ...
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 ...
2
votes
0answers
85 views

What will happen when our set calendar ends?

In a recent conversation I was told that the current Jewish calendar was only set till the year 6,000. There was conjecture as to what will happen after that time (assuming Moshiach has not yet ...
1
vote
2answers
96 views

Is there proof that we never skipped a day of the week? [duplicate]

Bereshit begins with the first 6 days and the Shabbat. The assumption is then that after that day, Mankind kept track of the day of the week all by themselves until today. Are we sure that no one ...
6
votes
0answers
48 views

Historical Calendar Records

Are there any records of the Beis Din's decisions regarding the Hebrew Calendar (e.g. to add months, how long the month would be), before Hillel Hakatan established the fixed calendar?
3
votes
1answer
89 views

Altering the Spelling out the Hebrew Year

In 1983-1984, the Hebrew year was 5744. Normally, the year would have been spelled out in Hebrew letters תשמ״ד, but according to my rabbi then, Rabbi Phillip Rabinowitz, zt'l, as pronounced the word ...
3
votes
1answer
75 views

Acronym for ה׳תש״ע [closed]

I know that every Hebrew year has one or more acronym for it. What acronyms do we use for the year ה׳תש״ע? Google is not helping me.
4
votes
2answers
169 views

When exactly should an avel (mourner) not be davening before the amud?

An avel (mourner) if possible should also daven before the amud (be the chazan) on weekdays. But certain times of the year especially when tachanun is not said (but not every time) he should not be ...
5
votes
1answer
93 views

Why is Vayelech read twice in a year?

It is mechanically possible, like this year, that parshas Vayelech is actually read twice in one year - last year it was after Rosh haShanah on Shabbos Shuvah, and this year - together with Nitzavim, ...
1
vote
0answers
79 views

Why can we do Tashlich until Hoshana Rabba

One of the reasons to do Tashlich, according to Chabad.org is: "Another reason for saying Tashlich next to a river is because Rosh Hashanah is the day when we coronate G‑d as King of the Universe. ...
4
votes
2answers
117 views

Why do we say Yizkor when we say it?

In the diaspora, we say Yizkor on: The last day of Passover The second day of Shavuot Yom Kippur The first day of Shemini Atzeret Why do we always say Yizkor on these days in particular? If it's ...
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 ...
4
votes
4answers
103 views

Why do we celebrate the 15th of Av?

The Talmud (Bab. Ta'anith 26b) tells us that the 15 of Av was a fantastically happy time celebrated with joyous festivals. Why? One reason given is that the traveling Israelites who left Egypt ...
6
votes
0answers
111 views

S'feika D'yoma in Niddah

There are several types of vestos (patterns in menstrual cycles) that a woman is able to aquire. One such vesses is the vesses hachodesh, which relies on the day of the (Jewish) month. So for ...
4
votes
1answer
53 views

Why did people date divorce documents according to the Greeks?

According to this article on Jewish Encyclopedia, the conventional Jewish system of dating documents in the Middle Ages (a system called "מנין שטרות") was related to the accession of Seleucus I, the ...
2
votes
2answers
125 views

Significance of number 613 regarding the mitzvot

According to the Talmud (Makos 23b) "Moshe received 613 Mitzvos. They are 365 Lavim (negative commandments), corresponding to the days of the (solar) year, and 248 Mitzvos Aseh (positive ...
1
vote
1answer
66 views

What date was Kibrot Hattaavah?

Are there any sources that give the date for the incident in Kibroth Hattaavah recorded in B'Midbar Chapter 11? I am trying to figure out if it happened on a particular mo'ed or any significant date.
1
vote
0answers
47 views

Not making a wedding on the first 3 days of a month

I've heard there is a custom (practiced in various kehillas, I heard Belz is one of them) to not make a wedding on the first 3 days of a month (meaning alef, beis, or gimmel of a particular month.) ...
5
votes
2answers
99 views

Why do Israelis keep one day of Yom Tov?

From what I understand, we outside of Eretz Yisrael we keep two days of Yom Tov as a continuation of the minhag that evolved from the time of the Bais Hamikdash when we would not necessarily know when ...
3
votes
1answer
136 views

Why is Shavuos all alone?

Why is it that, out of the 16 days of non-High Holiday biblical festivals (7 days of Pesach + 1 day of Shavuos + 7 days of Sukkos + 1 day of Shemini Atzeres), only the single day of Shavuos is without ...
3
votes
1answer
111 views

What are the 14 types of Jewish Years?

As a way of explanation, I'm working on Objective-C code that calculates parashat hashavua. Initially, I ported the Javascript offered by YYDL as an answer to this question. I've found that my port ...
0
votes
0answers
19 views

What is Yom HaMeyuchas? [duplicate]

The second day of Sivan is known as Yom HaMeyuchas. Where did this day get this name came from and what the significance of this day is?
0
votes
1answer
241 views

When do we switch from Morid Hatal to Morid Hageshem and vice versa?

According to Shulchan Aruch, (please cite Saeef and Siman so I can read further): When do we switch from Morid Hatal to Morid Hageshem and vice versa? What about Barechenu and Barech Alenu? What ...