Questions about calendars. The Jewish calendar is a lunisolar calendar that determines the dates of Jewish festivals.

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Is secular New Year tree considered OK?

this question presupposes that celebrating secular New Year's eve in the first place is OK. I looked here: " Is it ok to celebrate New Years Eve? " and the answers seemed not fully resolved, but my ...
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1answer
109 views

Churban Bayis Sheini Not on Tisha B'Av?

I recently heard that the destruction of the 2nd Temple was not actually on Tisha B'av, the date of the destruction of the 1st Temple, but that it was pretty close, so the rabbis had it commemorated ...
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2answers
124 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 ...
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2answers
85 views

More info on tzerufei shemos (permutations of G-d's name) vis-a-vis months of the year?

I've seen some siddurim -- I think the Artscroll all-Hebrew Nusach Sefard -- that list one permutation of the name YKVK for each of the twelve months, and that one should have appropriate kavana when ...
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0answers
105 views

What will Lubavitchers do in 2052?

There's a Chabad-Lubavitch custom of reciting a psalm of T'hilim corresponding to one's age. That is, for example, in one's fourteenth year of life (e.g. on his thirteenth birthday), he says the ...
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33 views

Looking for a computer program or method to list all weekday / Shabbat no-El_Maleh days

My shul has asked me to compile an annual list of all days when "El Maleh" (prayer said for yahrtzeit) is omitted. People in my shul know that it is said any day the Torah is read, meaning Mon., ...
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43 views

On what days do we say shir hamalos before birkat hamazon?

Concerning saying shir hamalos before birkat hamazon, I have seen three different instructions in various bentchers: On days when we say musaf One days we do not say tachanun When we are celebrating ...
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29 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.
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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 ...
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0answers
59 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.) ...
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25 views

Learn how to keep the feasts of Israel. [duplicate]

In preparation for celebrating my first Passover Seder I purchased a Hagadah and began researching online. I found an article saying there is a 13th lunar month this year because the barley wasn't ...
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Mishenichnas Adar marbin b'simcha [duplicate]

The Gemorah says in Taanis 29a משנכנס אדר מרבין בשמחה When Adar comes in one should increase in Simcha (Joy). What does this mean exactly? What should one do to "increase" ("marbin") in ...
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1answer
86 views

Last night *might* have been the first night of the omer. Right? [duplicate]

Possible Duplicate: Sefira Counting in Diaspora How do we count sefira with absolute certainty, as we do, and yet, in diaspora, we have a second seder and a second day of yom tov? Wouldn't ...
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3answers
56 views

History of 5 Teveis

New Series **Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known ...
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2answers
58 views

History of 10 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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1answer
45 views

The Book of Numbers and Passover

Why is LORD'S passover (Numbers 28:16) on the fourteenth day of the first month?
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39 views

History of 15 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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1answer
134 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 ...
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2answers
63 views

History of 8 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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1answer
35 views

Why is Rosh Hashana two days in Jerusalem?

Rosh Hashana is the only festival celebrated for two days even in Jerusalem, since there was a possibility that witnesses for the new moon would come in the middle of the day and the Beis Din would ...
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3answers
411 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 ...
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1answer
34 views

History of 14 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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1answer
28 views

History of 12 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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1answer
597 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 ...
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1answer
36 views

History of 16 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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1answer
41 views

History of 13 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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3answers
59 views

History of 6 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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1answer
90 views

Question about Shemitah years etc [duplicate]

20/01/15 Trying to find out- --I know a "shemitah" is a 7 yr. period. What confuses me is this: how do we know what specific years are the "shemitah" (e.g. Sept./07 to Sept./14 or Sept./08 to ...
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44 views

Menorah with uneven spacing

The following assumes lighting an additional candle for each day of Chanukkah: Two may light in a single Menorah for the first three days of Chanukkah; each in his end of the Menorah. This does not ...
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69 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 ...
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1answer
39 views

History of 7 Teveis

**Looking for answers as to what happened in Jewish history on this date. It can include both positive and negative occurrences. It can also include birthdays or Yarzheits of well known personalities ...
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2answers
61 views

Why is Adar 1 30 days long?

The Talmud Ta'anit 6b says אין בין אדר הראשון לאדר השני אלא קריאת המגילה ומתנות לאביונים "There is no difference between the 1st Adar and 2nd Adar except for reading the Megillah and giving presents ...
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30 views

Why were leap years decided only by judges and not with the cooperation of witnesses?

Ramba"m Hilchot Kiddush Hachodesh 4:9 says: The year can be made full only by [judges] who were invited [to participate in the deliberations]. What is implied? The head of the High Court tells ...
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1answer
34 views

Pshat in Pasuk of Velo Yavor

Chazal say that the reason why we don't read the Megillah on the 16 is because the passuk (Esther 9:27) says "velo yavor" - וְלֹא יַעֲבוֹר. Why is there a need for this Passuk? The Megillah said that ...
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1answer
2k views

How did they use to count years in the time of Abraham? [duplicate]

Possible Duplicate: Rationalist Position on Bible Ancients' Long Lives The bible states that Abraham has lived for 175 years, Yishmael lived for 137 years, and so on and so forth. Now, ...
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2answers
185 views

What parsha is the most commonly read parsha? [closed]

Which Parsha has the most Kriyos Hatorah from it?
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3k views

What are the exact Shmita dates (in Gregorian) since 1900 or a general formula for determining the dates?

I know there are these two questions already (Trying to get Shmita year dates without a headache) and (When is the next shmita year (as of 5772)?); however, they don't appear to provide either a table ...