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| Tu B’Shvat 1821 |  | WED
17 January 1821 14 Shevat 5581 | THU
18 January 1821 15 Shevat 5581 | | | |
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| Ta’anit Esther (moved) 1821 |  | | THU
15 March 1821 11 Adar Bet 5581 | | | zomRow |
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| Purim 1821 |  | SHABBAT
17 March 1821 13 Adar Bet 5581 | SUN
18 March 1821 14 Adar Bet 5581 | | | |
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| Shushan Purim 1821 |  | SUN
18 March 1821 14 Adar Bet 5581 | MON
19 March 1821 15 Adar Bet 5581 | | | |
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| Pesach 1821 |  | MON
16 April 1821 14 Nissan 5581 | TUE
24 April 1821 22 Nissan 5581 | | | |
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| Lag BaOmer 1821 |  | SHABBAT
19 May 1821 17 Iyar 5581 | SUN
20 May 1821 18 Iyar 5581 | | | |
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| Shavuot 1821 |  | TUE
5 June 1821 5 Sivan 5581 | THU
7 June 1821 7 Sivan 5581 | | | |
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| Tzom Shiva Asar B'Tammuz 1821 |  | | TUE
17 July 1821 17 Tamuz 5581 | | | zomRow |
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| Tzom Tisha B'av 1821 |  | MON
6 August 1821 8 Av 5581 | TUE
7 August 1821 9 Av 5581 | | | zomRow |
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| Rosh Hashanah 1821 |  | WED
26 September 1821 29 Elul 5581 | FRI
28 September 1821 2 Tishrei 5582 | | | |
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| Tzom Gedaliah (moved) 1821 |  | | SUN
30 September 1821 4 Tishrei 5582 | | | zomRow |
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| Yom Kippur 1821 |  | FRI
5 October 1821 9 Tishrei 5582 | SHABBAT
6 October 1821 10 Tishrei 5582 | | | |
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| Sukkot 1821 |  | WED
10 October 1821 14 Tishrei 5582 | WED
17 October 1821 21 Tishrei 5582 | | | |
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| Shemini Atzeret 1821 |  | WED
17 October 1821 21 Tishrei 5582 | THU
18 October 1821 22 Tishrei 5582 | | | |
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| Simchat Torah 1821 |  | THU
18 October 1821 22 Tishrei 5582 | FRI
19 October 1821 23 Tishrei 5582 | | | |
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| Hanukkah 1821 |  | TUE
18 December 1821 24 Kislev 5582 | WED
26 December 1821 2 Tevet 5582 | | | |
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