Holiday Day of Week Chart

Year 5127

Possible This year (5127) Never
Rosh Hashanah ראש השנה
Sep 7, 1366
S
M
T
W
T
F
Sh
Yom Kippur יום כיפור
Sep 16, 1366
S
M
T
W
T
F
Sh
Sukkos סוכות
Sep 21, 1366
S
M
T
W
T
F
Sh
Hoshana Rabba הושענא רבה
Sep 27, 1366
S
M
T
W
T
F
Sh
Shemini Atzeres שמיני עצרת
Sep 28, 1366
S
M
T
W
T
F
Sh
Simchas Torah שמחת תורה
Sep 29, 1366
S
M
T
W
T
F
Sh
Chanukah חנוכה
Nov 29, 1366
S
M
T
W
T
F
Sh
Tu BiShvat ט״ו בשבט
Jan 16, 1367
S
M
T
W
T
F
Sh
Purim פורים
Feb 14, 1367
S
M
T
W
T
F
Sh
Pesach פסח
Mar 16, 1367
S
M
T
W
T
F
Sh
Shavuos שבועות
May 5, 1367
S
M
T
W
T
F
Sh
17 Tammuz י״ז בתמוז
Jun 15, 1367
S
M
T
W
T
F
Sh
Tisha B'Av תשעה באב
Jul 6, 1367
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 5127

Rosh Hashanah א׳ תשרי
Monday
Sep 7, 1366
Yom Kippur י׳ תשרי
Wednesday
Sep 16, 1366
Sukkos ט״ו תשרי
Monday
Sep 21, 1366
Hoshana Rabba כ״א תשרי
Sunday
Sep 27, 1366
Shemini Atzeres כ״ב תשרי
Monday
Sep 28, 1366
Simchas Torah כ״ג תשרי
Tuesday
Sep 29, 1366
Chanukah כ״ה כסלו
Sunday
Nov 29, 1366
Tu BiShvat ט״ו שבט
Saturday
Jan 16, 1367
Purim י״ד אדר
Sunday
Feb 14, 1367
Pesach ט״ו ניסן
Tuesday
Mar 16, 1367
Shavuos ו׳ סיון
Wednesday
May 5, 1367
17 Tammuz י״ז תמוז
Tuesday
Jun 15, 1367
Tisha B'Av ט׳ אב
Tuesday
Jul 6, 1367