Holiday Day of Week Chart

Year 1775

Possible This year (1775) Never
Rosh Hashanah ראש השנה
Sep 16, -1986
S
M
T
W
T
F
Sh
Yom Kippur יום כיפור
Sep 25, -1986
S
M
T
W
T
F
Sh
Sukkos סוכות
Sep 30, -1986
S
M
T
W
T
F
Sh
Hoshana Rabba הושענא רבה
Oct 6, -1986
S
M
T
W
T
F
Sh
Shemini Atzeres שמיני עצרת
Oct 7, -1986
S
M
T
W
T
F
Sh
Simchas Torah שמחת תורה
Oct 8, -1986
S
M
T
W
T
F
Sh
Chanukah חנוכה
Dec 8, -1986
S
M
T
W
T
F
Sh
Tu BiShvat ט״ו בשבט
Jan 25, -1985
S
M
T
W
T
F
Sh
Purim פורים
Mar 25, -1985
S
M
T
W
T
F
Sh
Pesach פסח
Apr 24, -1985
S
M
T
W
T
F
Sh
Shavuos שבועות
Jun 13, -1985
S
M
T
W
T
F
Sh
17 Tammuz י״ז בתמוז
Jul 24, -1985
S
M
T
W
T
F
Sh
Tisha B'Av תשעה באב
Aug 14, -1985
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 1775

Rosh Hashanah א׳ תשרי
Saturday
Sep 16, -1986
Yom Kippur י׳ תשרי
Monday
Sep 25, -1986
Sukkos ט״ו תשרי
Saturday
Sep 30, -1986
Hoshana Rabba כ״א תשרי
Friday
Oct 6, -1986
Shemini Atzeres כ״ב תשרי
Saturday
Oct 7, -1986
Simchas Torah כ״ג תשרי
Sunday
Oct 8, -1986
Chanukah כ״ה כסלו
Friday
Dec 8, -1986
Tu BiShvat ט״ו שבט
Thursday
Jan 25, -1985
Purim י״ד אדר
Sunday
Mar 25, -1985
Pesach ט״ו ניסן
Tuesday
Apr 24, -1985
Shavuos ו׳ סיון
Wednesday
Jun 13, -1985
17 Tammuz י״ז תמוז
Tuesday
Jul 24, -1985
Tisha B'Av ט׳ אב
Tuesday
Aug 14, -1985