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

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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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2answers
185 views

Correspondence between 365 negative commandments and days of the year?

There are 365 negative commandments which correspond to the days of the (solar) year (see Makos 23b; Tanchuma Ki Seitzeh 2). Apparently the prohibition of Gid HaNasheh (sciatic nerve) corresponds to ...
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1answer
111 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 ...
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1answer
278 views

New Moon Based on Sighting Outside of the Land of Israel

I would appreciate someone directing me to a source that states/indicates/suggests whether the visibility of the new moon outside the Land of Israel may be used to begin the Jewish month in that ...
2
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1answer
94 views

What is the Sod HaIbbur?

What is the Sod HaIbbur (secret of impregnation)? I have seen it discussed in many places including the Pirkeu D'Rebbi Eliezer (8th chapter?) in reference to the intercalation for the lunar months of ...
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2answers
2k 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?
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1answer
303 views

Rambam's method for calculating the conjunction of the moon (and sun)

I think I'm missing something basic here... The Rambam, in Hilchot Kiddush Hachodesh (6:3) says that the interval between one conjunction to the next is is 29 full days, 12 hours of the 30th day, and ...
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1answer
104 views

Minimum number of days in the first week of the Hebrew calendar?

Does the first week of Nissan have a minimum number of days? Or does it range from 1-7? If it does have a minimum (greater than 1 ..obviously), why?
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1answer
159 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 ...
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1answer
139 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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50 views

The connection between Tishrei and Tevet

Can anyone steer me towards resources which explore a connection or relationship between Tishrei and Tevet (I assume, on a mystical level). Both months have a fast day on the 10th day and the full ...
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0answers
55 views

Why do we use the Babylonian month names? [duplicate]

Possible Duplicate: Why use Babylonian calendar instead of our own? The Torah refers to the months of the near numerically, the names we employ for things like contracts, birkat hachodesh ...
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1answer
1k 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, ...
2
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1answer
78 views

When is the end of the Tishrei holiday “season”?

(Inspired by this question) I'm curious if there is any discussion on when the Tishrei holiday "season" officially ends. Just off the top of my head, I'm curious if anyone recommends refraining from ...
5
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1answer
150 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?
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1answer
150 views

Was there a song about the year 5773 being special?

I recall as a kid hearing a tape with some song that went, "in the year tav-shin-ayin-gimel..." [5773], does that ring any bells? What was supposed to be special about that year?
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1answer
237 views

Rosh Hashana can't currently land on a Friday, but the first one did

The current fixed calendar works in such a way so that the first day of Rosh Hashana can never fall out on a Friday, but this is the very day on which the first Rosh Hashana fell! What gives?
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27 views

Shemonei Esrei regarding the seasons in Divine Might

Every time I pray the Amidah, I get very hesitant regarding what season is appropriate for me to pray. I live in the southern hemisphere in a tropical climate. Therefore, we have one season dry and ...
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4answers
63 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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1answer
107 views

Selichos start: Ashkinazim vs. Sefardim

Why do Sefardim start saying Sleichos earlier than Ashkinazim?
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1answer
77 views

Why do the Ashkenazim say Selichos for a minimum of 4 days before Rosh HaShana?

The Ashkenazim start saying Selichos a minimum of 4 days before Rosh HaShana? What is the reason of a minimum of 4 days?
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0answers
61 views

Why is 1 Elul / 1 Tishrei the New Year for livestock?

The first Mishna in Rosh Hashanah says that 1 Elul is the new year for livestock, i.e. I can only tithe one year's "crop" of livestock at a time, so 1 Elul delineates the herds. (Update: we follow the ...
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4answers
596 views

Why do we count years from the date of Creation?

Why do we count years from the date of Creation? I intend two sub-questions here, of which the second is far more interesting, so please answer it: Whence did this tradition originate? Why do we ...
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1answer
114 views

why 3 of punishment, 7 of consolation, 2 of repentance

As is well known (e.g. from Tosafos to M'gila 31:2 or from Shulchan Aruch Orach Chayim 428:8), we have three haftaros of punishment, followed by seven of consolation and then two of return ...
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3answers
273 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?
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2answers
102 views

Haftarah for yahrtzeit

If one's yahrtzeit falls on a day when there is a haftarah, there is a discussion about whether it's a bigger merit for the deceased to recite the haftarah on that day or before the day of the ...
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1answer
2k 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 ...
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1answer
265 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 ...
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4answers
464 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 ...
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147 views

Late sunset times and Jewish observance

This question is distinct from other questions which ask how and when to begin Shabbat, etc. when there is no sunset. I am asking about places in which sunset occurs very late during certain times of ...
8
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1answer
567 views

Is the Yovel every 49 or 50 years?

When is Yovel? Is it in the 49th year of the shmita cycle, or the 50th? And if it is in the 50th, when is the next shmita, in the 56th or 57th year? What is the practice in modern day Israel?
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1answer
221 views

A cryptic Seder HaDoros regarding to the year of Jesus' birth

Regarding the year of Jesus' birth, it says in Seder HaDoros (Year 3724) that the year 3724 and the year (3)532 are really the same. What in the world does he mean? Its in the first column first ...
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0answers
60 views

If a Beis Din Makes a Mistake When Calculating Kiddush HaChodesh, Does it Count?

On one hand, the Rambam says (in 2:10) Once the court sanctifies the new month, it remains sanctified regardless of whether they erred unwittingly, they were led astray [by false witnesses], or ...
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1answer
162 views

Some years have a siman, what does it mean?

I saw on a calendar that each year has a siman, for example 5772 has the siman 517. Here are the simanim for the next few years: 5773: 203 5774: 1523 5775: 517 5776: 1217 Does anyone know ...
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2answers
206 views

How to calculate 60 days from tekufat tishri for any given year?

I'm trying to pin down an algorithm for calculating when to start saying ותן טל ומטר in diaspora. (In Israel it begins 7 Cheshvan.) I've gotten that we need to know how many centuries passed since ...
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2answers
73 views

Mattanos Levyonim via Jerusalem organazations

Am I yotzeh if I (a non-Jerusalemite) give it to an organization in Jerusalem who gives it out on their Purim since a mitzvas Hayom on my purim?
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0answers
142 views

What is the date ending the 700 years mentioned in these midrashim?

Based on this answer I was able to have some extra fun reading over Shabbat. First, I would like to say, that I was amazed as to how much of the material I was allready familiar with, mostly from ...
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2answers
253 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 ...
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2answers
337 views

Halachically skipping Purim

There have long been 'legends' of various liberal figures in Judaism, including Yeshayahu Leibovitz (brother of Nechama Leibovitz) that would 'skip' Purim. On the 14th of Adar they would be sure to be ...
2
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3answers
616 views

The 70 weeks in Daniel 9

How does one understand the 70 week prophecy in Daniel 9? When does the decree to rebuild Jerusalem take place, and how do you interpret the "seven weeks; and for threescore and two weeks" from that ...
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1answer
151 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 ...
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1answer
628 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
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1answer
178 views

Splitting Sefira Mourning Practices According to Rav Moshe Feinstein

People hold of the restrictions of the seven-week omer period (shaving and listening to music, for example) at various times: some hold approximately the first five weeks; others, approximately the ...
10
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1answer
287 views

“Wedding anniversary” in Jewish thought.

Does the concept of "wedding anniversary" specifically enter Jewish thought or is it to be thought of as another of the many occasions for giving thanks to HKB"H?
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3answers
247 views

Do more fasts fall out on monday and thursday, or does it just feel that way

On Monday and Thursday, we say a longer Tachanun. On a fast day (where the weekday prayers are still said), Selichot are said in addition to Tachanun. It feels like there are many more fasts that ...
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3answers
112 views

Fast of the Tenth of the month of Teves

What is the significance of the Fast of the Tenth of Teves?
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2answers
106 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?
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2answers
257 views

Calculating Tekufas Teves

Although often associated with the Winter Solstice, Tekufas Teves is an independent date. How is Tekufas Teves, or the other Tekufos (?) determined?
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2answers
77 views

Joseph and Chanukkah

The Parshiot about Joseph always fall right before or during Chanukkah. It their a relationship between the Joseph stories and the Chanukkah stories? It there something to be learned from the fact ...
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1answer
409 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?