Holiday Day of Week Chart

Year 5910

Possible This year (5910) Never
Rosh Hashanah ראש השנה
Oct 2, 2149
S
M
T
W
T
F
Sh
Yom Kippur יום כיפור
Oct 11, 2149
S
M
T
W
T
F
Sh
Sukkos סוכות
Oct 16, 2149
S
M
T
W
T
F
Sh
Hoshana Rabba הושענא רבה
S
M
T
W
T
F
Sh
Shemini Atzeres שמיני עצרת
S
M
T
W
T
F
Sh
Simchas Torah שמחת תורה
S
M
T
W
T
F
Sh
Chanukah חנוכה
Dec 25, 2149
S
M
T
W
T
F
Sh
Tu BiShvat ט״ו בשבט
Feb 12, 2150
S
M
T
W
T
F
Sh
Purim פורים
Mar 13, 2150
S
M
T
W
T
F
Sh
Pesach פסח
Apr 12, 2150
S
M
T
W
T
F
Sh
Shavuos שבועות
Jun 1, 2150
S
M
T
W
T
F
Sh
17 Tammuz י״ז בתמוז
Jul 12, 2150
S
M
T
W
T
F
Sh
Tisha B'Av תשעה באב
Aug 2, 2150
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 5910

Rosh Hashanah א׳ תשרי
Thursday
Oct 2, 2149
Yom Kippur י׳ תשרי
Saturday
Oct 11, 2149
Sukkos ט״ו תשרי
Thursday
Oct 16, 2149
Hoshana Rabba כ״א תשרי
Shemini Atzeres כ״ב תשרי
Simchas Torah כ״ג תשרי
Chanukah כ״ה כסלו
Thursday
Dec 25, 2149
Tu BiShvat ט״ו שבט
Thursday
Feb 12, 2150
Purim י״ד אדר
Friday
Mar 13, 2150
Pesach ט״ו ניסן
Sunday
Apr 12, 2150
Shavuos ו׳ סיון
Monday
Jun 1, 2150
17 Tammuz י״ז תמוז
Sunday
Jul 12, 2150
Tisha B'Av ט׳ אב
Sunday
Aug 2, 2150