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

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History of 9 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
78 views

Is there a zero year in the ancient Jewish calendar?

I have recently been informed that the ancient Jewish calendar does not count the year at the beginning of a century: no zero year. So for example 1999- 2001 is one year not two. This can be important ...
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67 views

Page numbers in sefarim

Is there a reason for pages in sefarim being numbered using Arabic numerals (e.g. 1, 2, 3…) in comparison with the Hebrew numeration using letters? What is the earliest source for Arabic numerals ...
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4answers
64 views

Anyone know of an online prayer calendar?

I'm looking for an online calendar that gives daily basic prayer information. This calendar would be geared towards someone who needs to know when the prayers are out of the ordinary, or letting them ...
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2answers
42 views

How are parshas dealt with during the leap year's leap month? Also on haftorahs?

The Torah is divided into parshas and read each Shabbat. So during leap year, how is it handled? For haftorahs, same question. Also there are some parashas that are 2ndary to the main ones ...
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1answer
51 views

What are the most auspicious times of the Jewish year for contributing money?

What dates/months/seasons (or holidays) are considered most auspicious and/or customary for giving monetary gifts, such as tzedakah? I am aware from my own experience that Purim and erev Yom Kippur ...
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1answer
34 views

Based on Talmud Bavli Megillah 30a - 30b, how can we have a break betwen Parshiot Zachor and Parah?

According to what it says in the Talmud, the 3rd of the 4 Shabbatot is Parah, and the Talmud says that this 3rd Shabbat is the one immediately after Purim. In most years this is true. However, this ...
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1answer
71 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 ...
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1answer
80 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.
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1answer
110 views

When to do “missing” Nissan “Kel Maleh”?

During the month of Nissan, "Kel Maleh" - the prayer for the dead - is not recited. When is it more appropriate for the gabbai to recite it for people who have yahrtzeits during Nissan? Should he ...
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1answer
85 views

Why can the 1st day of Pesach never occur on Sunday in 2 consecutive years?

I am doing a lecture on the math of the Jewish calendar. I understand the concepts of the 3 types of year lengths - maleh, chaser and kesidrah - "full", "regular" and "deficient" years. I also ...
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3answers
591 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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2answers
124 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 ...
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1answer
156 views

What was the first Hebrew date of the first Molad?

If one were to represent the Molad Tohu as a date, comprised of a month, day, year, hours, minutes, seconds, and chalakim, what date would that be?
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1answer
414 views

Virgo Constellation in the Torah [closed]

It is known that Elul is Besulah which in its secular name is Virgo where did this constellation come from according to our Torah sources?
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2answers
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yushkas bris aniversary [closed]

Is it true that new years is the aniversary of yushka's bris
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1answer
38 views

History of 11 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
27 views

Earliest to do kapporos

What is the earliest date that you can do Kapporos? Is it rosh hashanah? (Note: I'm not asking for the best or most preferable time.)
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1answer
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Agricultural events and the Jewish calendar

There are many dates in the Jewish calendar that are connected to agricultural events. They include: Shavuot is Chag Ha'Katzir, the Holiday of the Harvest - Shemot 23:16 Sukkot is Chag Ha'Assif, the ...
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1answer
28 views

When do sefardim begin reciting selihot?

Since rosh hodesh Elul is a mini-holiday do you need to wait till the day after rosh hodesh or do sefardim begin saying selihot on the first of Elul?
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1answer
90 views

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
120 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
131 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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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
53 views

What factors were used for determining leap years while the Israelites were in the desert?

I am trying to "co-ordinate" Rambam"s explanation of how to determine Judaic leap years with a key verse in the Torah. Ranbam states in Mishneh Torah, Sanctification of the New Month 4:2: Mishneh ...
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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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63 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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52 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 ...
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0answers
63 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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43 views

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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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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1answer
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What are the Jewish months exactly?

I am aware that the names of the months are derived almost directly from the Babylonian calendar and that the Chumash itself never mentions a month by name and instead refers to it by number. Later on ...
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3answers
57 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
59 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
46 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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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
172 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
64 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
45 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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1answer
35 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
29 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
121 views

247 year Jewish calendar cycle

I recently read on Matzav.com an article by Rabbi Dovid Heber discussing the 247 year cycle in the calendar. He mentioned that every 247 years the Hebrew calendar is exactly identical. Now in the ...
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1answer
770 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
37 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
42 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
62 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
33 views

What is the source for observing Purim Katan?

As this year is a Judaic leap year, we shall be observing Purim Kattan ("little" Purim) on the 14 and 15 of Adar I (Feb. 24 and 25 on the Gregorian calendar.) (This holiday occurs every Judaic leap ...
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1answer
140 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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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 ...