Israel operates on two parallel calendars that dictate the rhythm of public life. The Gregorian calendar governs civil administration and most business transactions. The Hebrew lunar calendar determines religious observance and national holidays. Because the Hebrew calendar adds a thirteenth month seven times every nineteen years to align with solar seasons, festival dates shift annually against the Gregorian calendar by approximately eleven days. This dual system means that in September one year Rosh Hashanah might fall on the fifth, while the following year it arrives on September twenty-fourth.
The Israeli weekend runs Friday afternoon through Saturday evening, corresponding to Shabbat. From approximately eighteen minutes before sunset Friday until nightfall Saturday—times published weekly based on precise astronomical calculations—public transportation ceases in most cities, government offices close, and most businesses shut. Tel Aviv maintains some commercial activity, but Jerusalem becomes nearly silent except in Arab neighborhoods. This weekly cycle overrides the Gregorian weekend structure. International visitors frequently misjudge arrival times, landing Friday afternoon to find closed rental agencies and empty hotel desks as staff depart before candle-lighting time.
Rosh Hashanah marks the Jewish new year, falling on the first and second days of Tishrei, typically in September. Banks close for two consecutive days. International airports reduce flight schedules. Hotels in religious neighborhoods serve only cold food prepared before the holiday. The shofar, a ram's horn, sounds in synagogues across the country in a series of prescribed blasts totaling one hundred notes per service. Secular Israelis often travel to nature reserves where entry requires advance booking months ahead. The Israel Nature and Parks Authority reports capacity bookings at Ein Gedi and Banias weeks before Rosh Hashanah each year.
Ten days after Rosh Hashanah comes Yom Kippur, the Day of Atonement, observed on the tenth of Tishrei. This is the single day when Israel's entire transportation network halts. Ben Gurion Airport closes completely for twenty-five hours, an annual shutdown scheduled in international aviation databases. No buses operate. No trains run. Broadcasting ceases on all Hebrew-language television and radio stations. Roads empty so thoroughly that children bicycle on Tel Aviv's Ayalon Freeway, an eight-lane highway that normally carries two hundred thousand vehicles daily. Restaurants and cafes close nationwide, including in Tel Aviv. The Western Wall plaza fills with tens of thousands for Kol Nidre services beginning at sunset. Emergency medical services operate with reduced crews. This is not a cultural preference—the shutdown is nearly absolute.
Sukkot begins five days after Yom Kippur on the fifteenth of Tishrei, lasting seven days. Israelis construct temporary booths called sukkot on balconies, in yards, outside apartment buildings, and in public squares. Building permits are not required for these structures that must have walls and a roof of natural materials through which stars remain visible. Restaurants erect sukkot on sidewalks under municipal temporary-use allowances. The Four Species—palm branch, myrtle, willow, and citrus fruit called etrog—sell in markets starting weeks before the holiday. Prices for premium etrogs from specific groves reach three hundred dollars per fruit. Markets in Bnei Brak and Jerusalem's Mahane Yehuda dedicate entire sections to species vendors who import willows from the Arava Valley and myrtles from northern nurseries.
Simchat Torah follows immediately after Sukkot on the twenty-third of Tishrei. Synagogues remove all Torah scrolls from the ark for processions involving dancing and singing that continue for hours. In Jerusalem's Orthodox neighborhoods, particularly Mea Shearim, these celebrations extend past midnight with streets closed to vehicle traffic. Secular kibbutzim hold alternative celebrations with dancing to recorded music rather than liturgical songs. The division is geographic—celebrations in Bnei Brak involve separated men's and women's sections, while in Tel Aviv mixed dancing occurs in Reform synagogues.
Hanukkah spans eight nights beginning on the twenty-fifth of Kislev, typically in December. The practice of lighting one additional candle each night creates visible progression across neighborhoods as windows display candelabras called hanukkiot. Bakeries sell sufganiyot, jelly-filled donuts fried in oil, with major chains like Roladin introducing new flavors annually. A single bakery can produce ten thousand sufganiyot daily during Hanukkah week. The Israeli National Roads Company installs large electric hanukkiot at highway interchanges. Supermarkets stock chocolate coins wrapped in gold foil called gelt. Schools close for Hanukkah break, typically one week, though dates vary by municipality. Hotels in Eilat report ninety percent occupancy during this period as families travel to the Red Sea coast.
Tu BiShvat arrives on the fifteenth of Shevat, usually in January or February, marking the new year for trees according to agricultural tithing law. The Jewish National Fund organizes tree-planting events attended by thousands, primarily in the Negev and Galilee regions. Schools coordinate field trips to forests where children dig holes and plant seedlings of pine, cypress, and acacia. The tradition of eating fifteen types of fruit on this day creates market demand for imported fruits not grown in Israel. Dried figs, dates, carobs, almonds, and pomegranates from local production sell alongside mangoes and kiwis from international suppliers. Environmental organizations use Tu BiShvat to launch awareness campaigns, with the Society for the Protection of Nature in Israel hosting guided hikes to identify native species.
Purim falls on the fourteenth of Adar, usually in March, commemorating events described in the Book of Esther. Adults and children wear costumes to work, school, and synagogue. Tel Aviv hosts a street carnival along Dizengoff Street with floats, music stages, and an estimated one hundred thousand participants in recent years. The tradition of mishloach manot—sending food gifts to friends—generates substantial courier business. Bakeries produce triangular pastries called hamantaschen filled with poppy seeds, chocolate, or date paste. Alcohol consumption is religiously encouraged on Purim to the point of inability to distinguish between phrases, creating a rare inversion of usual sobriety norms. Emergency rooms report increased admissions for alcohol-related incidents on Purim night, particularly among adolescents.
Passover begins on the fifteenth of Nisan, typically in April, and lasts eight days. The prohibition on leavened grain products transforms national food supply chains. Supermarkets cover entire aisles with plastic sheeting, blocking access to bread, pasta, cookies, and cereals for the week before and during Passover. Separate Passover sections stock matzah, specially certified wines, and potato-starch-based products. Hotels undergo full kosher-for-Passover conversion, replacing dishes, utensils, and cookware. Major hotel chains in Eilat and Tiberias charge premium rates for Passover programs that include multiple daily meals and religious services, with week-long packages reaching four thousand dollars per person. Restaurants either close for the full week or operate under Passover certification requiring supervision by rabbinical authorities. Public transportation runs on reduced schedules. Ben Gurion Airport experiences peak passenger volume in the three days before Passover as Israelis travel abroad and diaspora Jews arrive for the holiday.
The Seder, held on the first night of Passover, follows a prescribed order of fifteen steps including readings, symbolic foods, and ritual actions detailed in the Haggadah text. Four cups of wine are consumed at specified intervals. Matzah must be eaten within a defined time period calculated differently by various rabbinic authorities, ranging from two to nine minutes depending on interpretation. The search for hidden matzah called the afikomen involves children hunting through the house for a piece wrapped and concealed by adults. Hotels hosting Seders seat hundreds in ballrooms with microphones for the leader to be heard across the space.
Yom HaShoah falls on the twenty-seventh of Nisan, eight days after Passover begins, designated as Holocaust Remembrance Day. At ten in the morning, air-raid sirens sound nationwide for two minutes. Vehicles stop on highways, drivers emerge and stand at attention, pedestrians halt on sidewalks. Broadcast media suspends regular programming. The main ceremony occurs at Yad Vashem in Jerusalem, attended by the President, Prime Minister, and Holocaust survivors who light six torches representing the six million murdered. Movie theaters and entertainment venues close by law. Radio stations play somber music. This is legislated observance—the Knesset enacted the specific date and protocols in 1951 and amended them in 1959 to fix the siren time.