Holiday Day of Week Chart

Year 4148

Possible This year (4148) Never
Rosh Hashanah ראש השנה
Aug 31, 0387
S
M
T
W
T
F
Sh
Yom Kippur יום כיפור
Sep 9, 0387
S
M
T
W
T
F
Sh
Sukkos סוכות
Sep 14, 0387
S
M
T
W
T
F
Sh
Hoshana Rabba הושענא רבה
Sep 20, 0387
S
M
T
W
T
F
Sh
Shemini Atzeres שמיני עצרת
Sep 21, 0387
S
M
T
W
T
F
Sh
Simchas Torah שמחת תורה
Sep 22, 0387
S
M
T
W
T
F
Sh
Chanukah חנוכה
Nov 22, 0387
S
M
T
W
T
F
Sh
Tu BiShvat ט״ו בשבט
Jan 10, 0388
S
M
T
W
T
F
Sh
Purim פורים
Mar 9, 0388
S
M
T
W
T
F
Sh
Pesach פסח
Apr 8, 0388
S
M
T
W
T
F
Sh
Shavuos שבועות
May 28, 0388
S
M
T
W
T
F
Sh
17 Tammuz י״ז בתמוז
Jul 8, 0388
S
M
T
W
T
F
Sh
Tisha B'Av תשעה באב
Jul 29, 0388
S
M
T
W
T
F
Sh

How does this work?

The Jewish calendar follows fixed arithmetic rules that determine which day of the week each holiday can fall on. There are exactly 14 possible year types (keviyot / קביעות), each determining the day of the week for every holiday in that year.

Lo ADU — לא אד״ו

Rosh Hashanah never falls on Sunday, Wednesday, or Friday. This prevents Yom Kippur from being adjacent to Shabbos and Hoshana Rabba from falling on Shabbos.

Lo BaDU — לא בד״ו

Pesach never falls on Monday, Wednesday, or Friday. This is a mathematical consequence of Lo ADU combined with the structure of the year.

AT BASH — א״ת ב״ש

A mnemonic pairing holidays that always fall on the same day of the week: Tisha B'Av = 1st day Pesach, Shavuos = 2nd day Pesach, Rosh Hashanah = 3rd day Pesach, Simchas Torah = 4th day Pesach, Yom Kippur = 5th day Pesach, Purim (previous) = 6th day Pesach.

Holiday Details for 4148

Rosh Hashanah א׳ תשרי
Tuesday
Aug 31, 0387
Yom Kippur י׳ תשרי
Thursday
Sep 9, 0387
Sukkos ט״ו תשרי
Tuesday
Sep 14, 0387
Hoshana Rabba כ״א תשרי
Monday
Sep 20, 0387
Shemini Atzeres כ״ב תשרי
Tuesday
Sep 21, 0387
Simchas Torah כ״ג תשרי
Wednesday
Sep 22, 0387
Chanukah כ״ה כסלו
Monday
Nov 22, 0387
Tu BiShvat ט״ו שבט
Monday
Jan 10, 0388
Purim י״ד אדר
Thursday
Mar 9, 0388
Pesach ט״ו ניסן
Saturday
Apr 8, 0388
Shavuos ו׳ סיון
Sunday
May 28, 0388
17 Tammuz י״ז תמוז
Saturday
Jul 8, 0388
Tisha B'Av ט׳ אב
Saturday
Jul 29, 0388