1821

Eighteen Twenty-One

1821 was 203 years 10 months 2 weeks ago. There were 364 days in 1821 because this year was not a leap year. 1821 had 52 weeks. In the Chinese calendar, 1821 was the year of the snake. 🐍

The Gregorian year 1821 corresponds to 1236 or 1237 in the Hijri calendar - also known as the Muslim calendar and Islamic calendar. In the Hebrew calendar, called HaLuah HaIvri, the Gregorian year 1821 corresponds to 5581 or 5582 depending on the time of year. ☪️ ✡️

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1821 in Roman Numerals is:

MDCCCXXI

Roman numeral converter »

1821 Holiday Calendar

January
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
February
Su Mo Tu We Th Fr Sa
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28
March
Su Mo Tu We Th Fr Sa
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
April
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30
May
Su Mo Tu We Th Fr Sa
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31
June
Su Mo Tu We Th Fr Sa
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
July
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31
August
Su Mo Tu We Th Fr Sa
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
September
Su Mo Tu We Th Fr Sa
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30
October
Su Mo Tu We Th Fr Sa
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
November
Su Mo Tu We Th Fr Sa
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30
December
Su Mo Tu We Th Fr Sa
1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31

1821 Week Numbers

This table assumes weeks start on Monday and end on Sunday. This is based on the ISO-8601 week date standard. In the US, Canada, and most of South America weeks normally start on Sunday.

« week numbers for 1820 | week numbers for 1822 »

Week Number Start Day End Day
Week 52, 1820 Dec 25, 1820 Dec 31, 1820
Week 1 Jan 1, 1821 Jan 7, 1821
Week 2 Jan 8, 1821 Jan 14, 1821
Week 3 Jan 15, 1821 Jan 21, 1821
Week 4 Jan 22, 1821 Jan 28, 1821
Week 5 Jan 29, 1821 Feb 4, 1821
Week 6 Feb 5, 1821 Feb 11, 1821
Week 7 Feb 12, 1821 Feb 18, 1821
Week 8 Feb 19, 1821 Feb 25, 1821
Week 9 Feb 26, 1821 Mar 4, 1821
Week 10 Mar 5, 1821 Mar 11, 1821
Week 11 Mar 12, 1821 Mar 18, 1821
Week 12 Mar 19, 1821 Mar 25, 1821
Week 13 Mar 26, 1821 Apr 1, 1821
Week 14 Apr 2, 1821 Apr 8, 1821
Week 15 Apr 9, 1821 Apr 15, 1821
Week 16 Apr 16, 1821 Apr 22, 1821
Week 17 Apr 23, 1821 Apr 29, 1821
Week 18 Apr 30, 1821 May 6, 1821
Week 19 May 7, 1821 May 13, 1821
Week 20 May 14, 1821 May 20, 1821
Week 21 May 21, 1821 May 27, 1821
Week 22 May 28, 1821 Jun 3, 1821
Week 23 Jun 4, 1821 Jun 10, 1821
Week 24 Jun 11, 1821 Jun 17, 1821
Week 25 Jun 18, 1821 Jun 24, 1821
Week 26 Jun 25, 1821 Jul 1, 1821
Week 27 Jul 2, 1821 Jul 8, 1821
Week 28 Jul 9, 1821 Jul 15, 1821
Week 29 Jul 16, 1821 Jul 22, 1821
Week 30 Jul 23, 1821 Jul 29, 1821
Week 31 Jul 30, 1821 Aug 5, 1821
Week 32 Aug 6, 1821 Aug 12, 1821
Week 33 Aug 13, 1821 Aug 19, 1821
Week 34 Aug 20, 1821 Aug 26, 1821
Week 35 Aug 27, 1821 Sep 2, 1821
Week 36 Sep 3, 1821 Sep 9, 1821
Week 37 Sep 10, 1821 Sep 16, 1821
Week 38 Sep 17, 1821 Sep 23, 1821
Week 39 Sep 24, 1821 Sep 30, 1821
Week 40 Oct 1, 1821 Oct 7, 1821
Week 41 Oct 8, 1821 Oct 14, 1821
Week 42 Oct 15, 1821 Oct 21, 1821
Week 43 Oct 22, 1821 Oct 28, 1821
Week 44 Oct 29, 1821 Nov 4, 1821
Week 45 Nov 5, 1821 Nov 11, 1821
Week 46 Nov 12, 1821 Nov 18, 1821
Week 47 Nov 19, 1821 Nov 25, 1821
Week 48 Nov 26, 1821 Dec 2, 1821
Week 49 Dec 3, 1821 Dec 9, 1821
Week 50 Dec 10, 1821 Dec 16, 1821
Week 51 Dec 17, 1821 Dec 23, 1821
Week 52 Dec 24, 1821 Dec 30, 1821
Week 1, 1821 Dec 31, 1821 Jan 6, 1822

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