Holiday Day of Week Chart

Year 2373

Possible This year (2373) Never
Rosh Hashanah ראש השנה
Sep 3, -1388
S
M
T
W
T
F
Sh
Yom Kippur יום כיפור
Sep 12, -1388
S
M
T
W
T
F
Sh
Sukkos סוכות
Sep 17, -1388
S
M
T
W
T
F
Sh
Hoshana Rabba הושענא רבה
Sep 23, -1388
S
M
T
W
T
F
Sh
Shemini Atzeres שמיני עצרת
Sep 24, -1388
S
M
T
W
T
F
Sh
Simchas Torah שמחת תורה
Sep 25, -1388
S
M
T
W
T
F
Sh
Chanukah חנוכה
Nov 26, -1388
S
M
T
W
T
F
Sh
Tu BiShvat ט״ו בשבט
Jan 14, -1387
S
M
T
W
T
F
Sh
Purim פורים
Mar 14, -1387
S
M
T
W
T
F
Sh
Pesach פסח
Apr 13, -1387
S
M
T
W
T
F
Sh
Shavuos שבועות
Jun 2, -1387
S
M
T
W
T
F
Sh
17 Tammuz י״ז בתמוז
Jul 13, -1387
S
M
T
W
T
F
Sh
Tisha B'Av תשעה באב
Aug 3, -1387
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 2373

Rosh Hashanah א׳ תשרי
Saturday
Sep 3, -1388
Yom Kippur י׳ תשרי
Monday
Sep 12, -1388
Sukkos ט״ו תשרי
Saturday
Sep 17, -1388
Hoshana Rabba כ״א תשרי
Friday
Sep 23, -1388
Shemini Atzeres כ״ב תשרי
Saturday
Sep 24, -1388
Simchas Torah כ״ג תשרי
Sunday
Sep 25, -1388
Chanukah כ״ה כסלו
Saturday
Nov 26, -1388
Tu BiShvat ט״ו שבט
Saturday
Jan 14, -1387
Purim י״ד אדר
Tuesday
Mar 14, -1387
Pesach ט״ו ניסן
Thursday
Apr 13, -1387
Shavuos ו׳ סיון
Friday
Jun 2, -1387
17 Tammuz י״ז תמוז
Thursday
Jul 13, -1387
Tisha B'Av ט׳ אב
Thursday
Aug 3, -1387