Holiday Day of Week Chart

Year 2880

Possible This year (2880) Never
Rosh Hashanah ראש השנה
Sep 9, -0881
S
M
T
W
T
F
Sh
Yom Kippur יום כיפור
Sep 18, -0881
S
M
T
W
T
F
Sh
Sukkos סוכות
Sep 23, -0881
S
M
T
W
T
F
Sh
Hoshana Rabba הושענא רבה
Sep 29, -0881
S
M
T
W
T
F
Sh
Shemini Atzeres שמיני עצרת
Sep 30, -0881
S
M
T
W
T
F
Sh
Simchas Torah שמחת תורה
Oct 1, -0881
S
M
T
W
T
F
Sh
Chanukah חנוכה
Dec 1, -0881
S
M
T
W
T
F
Sh
Tu BiShvat ט״ו בשבט
Jan 18, -0880
S
M
T
W
T
F
Sh
Purim פורים
Mar 17, -0880
S
M
T
W
T
F
Sh
Pesach פסח
Apr 16, -0880
S
M
T
W
T
F
Sh
Shavuos שבועות
Jun 5, -0880
S
M
T
W
T
F
Sh
17 Tammuz י״ז בתמוז
Jul 16, -0880
S
M
T
W
T
F
Sh
Tisha B'Av תשעה באב
Aug 6, -0880
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 2880

Rosh Hashanah א׳ תשרי
Monday
Sep 9, -0881
Yom Kippur י׳ תשרי
Wednesday
Sep 18, -0881
Sukkos ט״ו תשרי
Monday
Sep 23, -0881
Hoshana Rabba כ״א תשרי
Sunday
Sep 29, -0881
Shemini Atzeres כ״ב תשרי
Monday
Sep 30, -0881
Simchas Torah כ״ג תשרי
Tuesday
Oct 1, -0881
Chanukah כ״ה כסלו
Sunday
Dec 1, -0881
Tu BiShvat ט״ו שבט
Saturday
Jan 18, -0880
Purim י״ד אדר
Tuesday
Mar 17, -0880
Pesach ט״ו ניסן
Thursday
Apr 16, -0880
Shavuos ו׳ סיון
Friday
Jun 5, -0880
17 Tammuz י״ז תמוז
Thursday
Jul 16, -0880
Tisha B'Av ט׳ אב
Thursday
Aug 6, -0880