You do not need to close the wine bottle or cover the other wine cups while the first of several people says kiddush, whether on Shabbat or Jewish festivals.
Jewish Festivals: Earliest Mincha
The earliest permissible time to say mincha before a Jewish festival is one-half hour after halachic midday, as with all mincha prayers including before Shabbat.
Note You may begin the second day of any Jewish festival as early as plag ha'mincha. You should ideally say mincha before plag and then say ma'ariv after plag; but if you are praying with a minyan, you may say mincha anytime after plag and then say ma'ariv immediately afterward, just as on Shabbat. Note However, there is nothing gained by saying minchaearly before a Jewish festival:
We don't want to start Rosh Hashana (Yom HaDin) early and no one wants to start Yom Kippur early.
You may not start either seder until after dark on Passover.
You could eat in a sukka before dark on either of the first two days of Sukkot, but you would not fulfill the requirement of eating in a sukka since it was not dark.
Likewise, the first day of Shavuot does not begin until after dark.
Since you may not say the blessing on eating in a sukka on Shmini Atzeret (which you would have to do if you eat before dark), there is nothing gained by saying mincha and ma'ariv early on that day, either.
So, as a practical matter, the only days on which saying mincha and ma'ariv early would allow beginning the holiday early are the second day of Shavuot, the second day of Rosh Hashana, and the last days of Passover.
Birkat HaMazon: When To Repeat If Forgot Additions
When saying birkat ha'mazon, you must repeat birkat ha'mazon if you forgot:
Retzei on the first two meals of Shabbat.
Ya'aleh v'yavo on the first two meals of any Jewish festival day (women only repeat if they forgot it at the Passoverseder).
Never repeat birkat ha'mazon if you forgot additions for:
Rosh Hashana (during the daytime) or
Rosh Chodesh.
Asking Non-Jew To Do Melacha D'Oraita
You may not ask a non-Jew to turn ON a light or turn ON heat, or other d'oraitaviolations of Shabbat--even for a mitzva or for onegShabbat. However, you may ask a non-Jew to do a melacha d'oraita for any of a sick person's needs, even if there is no danger to the person's life.
Note You may tell a non-Jew to do melacha, even if it is d'oraita, for a mitzvaor onegShabbat only if it is bein ha'shmashot (between sunset and dark).
How Much Challa May Be Missing
Less than 1/48th missing is still considered a whole loaf. So if you only have two challot (or other loaves of bread) for Shabbat, you might be able to use one loaf twice, as follows:
Wash your hands,
Say ha'motzi,
Cut off a piece that is less than 1/48th of the loaf, and
Eat it.
REASON You may consider the remainder of that loaf as still being a full loaf and you may re-use it for your Shabbat morning meal. NOTE If you have pieces of bread or other mezonot, you may:
Cut off less than 1/48th of the loaf,
Eat the additional pieces of bread to make a total of at least 1.9 fl. oz. (56ml), and then
Re-use the same loaf for Shabbat morning.
Passover: When To Finish Kashering
When kashering an oven or utensils for Passover, you may kasher:
By Libun
Anytime, including on chol ha'moed (but not on Jewish festivals orShabbat).
By Hag'ala
Until one hour before halachic midday on Passover eve (but b'di'avad it is OK until
just before sunset of Passover eve).
Jewish Festivals: Bringing Newspaper inside House
You may bring a newspaper, magazine, or other reading material inside the house on Jewish festivals and read it, UNLESS it was:
Printed on Shabbator aJewish festival, OR
Brought from outside the techumShabbat, OR
Delivered by a Jew.
If any of these conditions apply, you may not move it or use it in any way during the Jewish festival, even if all of the other conditions permit its use. You may use it once the Jewish festival is over.
Note As a policy, you may want to tell delivery services (newspapers, post office, etc.) that you do not need to have the item delivered until after dark. Reason If delivered on the Jewish festival day, it will not be done at your request and, if it is reading material, you may read the material as long as the other conditions permit it--see above. Note If you do not know where the reading material came from, you may not use it on theJewish festival. Note Although taking possession of the newspaper, magazine, or other reading material is “acquisition” (kinyan), you may do so since you will use it on the Jewish festival.
Porches and Awnings as Eruv
In general, porches and awnings on the outside of a house will not qualify as being part of the house for the halachot of carrying on Shabbat if there is no eruv. The porch or awning must be in the structure of a shape of a doorway (tzurat ha'petach): vertical poles and cross beams must be on TOP of the vertical poles in order to be considered a halachically enclosed area. Note Since these are not intended to be a doorway, no mezuza is required on them.
Introduction to Eruvs
An eruv forms a boundary around an area of land in order to create a private domain (reshut ha'yachid). Carrying items within that domain is permitted on Shabbat. The eruv boundary may include a variety of structures such as:
Real physical structures—whether natural (such as tree trunks, bushes) or man-made (buildings, fences, cars);
Natural topographic features (such as slopes); and/or
Presumptive doorways (often made of poles and wires or strong string).
Solid or Halachically Solid
Two structures (regardless of how thick or wide they are) within 10.5 inches of each other are considered to be halachically solid and constitute a single structure; this is called lavud. NoteA halachically solid wall may have gaps of more than 3 tefachim (10.5 in.) high or wide (i.e., in either dimension) as long as the other dimension is less than 3 tefachim wide.
Examples
A halachically solid wall can be made of a:
Wide mesh of ropes or strings; the cross strings are very far apart, as long as the vertical strings are within 10.5 inches of each other.
Picket fence; each vertical slat must be within 10.5 inches of the adjacent slat OR each horizontal piece that connects the vertical slats must be within 10.5 inches of the adjacent horizontal piece.
Chain-link fence.
Height
All vertical eruv components must be at least 40 inches high. There is no maximum height for the eruv if it is a halachic doorway (tzurat ha'petach--two uprights and a horizontal bar above and connecting the two).
Width
A solid component (for example, a board, wall, house, etc.) must be at least 12 inches from side to side.
Non-solid components (for example, a series of narrow bushes, a series of trees with trunks less than 12 inches across, various types of fences, etc.) must be within 10.5 inches of each other and of the ground, both horizontally and vertically, for the entire distance between adjacent trees/bushes. They must be at least 40 inches high or wide.
Connectors
Vertical components, such as poles, that are connected above or below in the following ways are also halachic walls, regardless of how far apart they are:
Connected above, such as with a board or string that rests across the tops of vertical poles, and which are at least 40 inches above the ground at all points along its course, or
Connected below within 10.5 inches of the ground, such as bushes or small trees with branches that come within 10.5 inches of the ground at all points (even at the attachment point to the trunk). Components must reach up to at least 40 inches above the ground.
Majority of the Cup/Rov Kos
The seder is the only time in the year that you must drink most of your cup (rov kos) of kiddush wine. (For kiddush on Shabbat and Jewish festivals, you need drink only 2 fl. oz., or 59 ml). So if you have a cup larger than 4 fl. oz. (119 ml), you may have to drink a lot of wine--more than half of each cup for four cups!
Note You may drink other liquids between the first and second cups of wine at the seder, but it is not recommended.
Nullifying Vows (Hatarat Nedarim)
Hatarat nedarim (nullification of vows) should be done before Rosh Hashana (but it may be done any time of the year) in front of three adult male shomer-Shabbat Jews. You may make a condition that you never want to make a vow of any type, but this might not be effective or valid. The formula may be said in English or any other spoken language.
Jewish Festivals: Personal Eruv Tavshilin
One person per household should make an eruv tavshilinin order to allow cooking on a Jewish festivalfor the next day, if the next day is Shabbat. The person sets aside something cooked and something baked and says a formula (which can be found in most siddurs).
Note An eruv tavshilin made by one person covers everyone in that household, including guests staying over for that Jewish festival--even if he or she did not intend it to cover anyone else.
Jewish Festivals: Ending: Havdala: No Candle or Spices
For Jewish festivalhavdala, use only wine (or a substitute, chamar medina, beverage); NO candle or spices (unless the Jewish festival also coincided with Shabbat).
Which Foods HaMotzi Covers
Ha'motzialways covers all food eaten as part of a meal, except wine and any non-mezonotdesserts such as fruit, on all days (not just on Shabbat or Jewish festivals).
Volume/Liquid
1Revi'it = Usually 3.3 fl. oz. (99 ml); but 4 fl. oz. (119 ml) for:
Any food requiring bracha achrona.
The four cups of wine at the seder.
Kiddush for Shabbat and Jewish festival nights.
1Log = Volume of 6 eggs = 4 Revi'ot (a revi'it is 1/4 of alog)
1 Kab = 4Login
1Se'ah = 6 Kabin
40 Se'ah = Volume equivalent to 3 cubes, 24 ½” (61 cm) on each side; minimum requirement for mikva = about 192 gallons/750 liters
1 fl. oz. = 1.77 cu. inch (about the size of a golf ball)