1780

Seventeen Eighty

1780 was 244 years 11 months 4 weeks ago. There were 365 days in 1780 because this year was a leap year. 1780 had 52 weeks. In the Chinese calendar, 1780 was the year of the rat. 🐀

The Gregorian year 1780 corresponds to 1193 or 1194 in the Hijri calendar - also known as the Muslim calendar and Islamic calendar. In the Hebrew calendar, called HaLuah HaIvri, the Gregorian year 1780 corresponds to 5540 or 5541 depending on the time of year. ☪️ ✡️

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1780 in Roman Numerals is:

MDCCLXXX

Roman numeral converter »

1780 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 29
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

1780 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 1779 | week numbers for 1781 »

Week Number Start Day End Day
Week 52, 1779 Dec 27, 1779 Jan 2, 1780
Week 1 Jan 3, 1780 Jan 9, 1780
Week 2 Jan 10, 1780 Jan 16, 1780
Week 3 Jan 17, 1780 Jan 23, 1780
Week 4 Jan 24, 1780 Jan 30, 1780
Week 5 Jan 31, 1780 Feb 6, 1780
Week 6 Feb 7, 1780 Feb 13, 1780
Week 7 Feb 14, 1780 Feb 20, 1780
Week 8 Feb 21, 1780 Feb 27, 1780
Week 9 Feb 28, 1780 Mar 5, 1780
Week 10 Mar 6, 1780 Mar 12, 1780
Week 11 Mar 13, 1780 Mar 19, 1780
Week 12 Mar 20, 1780 Mar 26, 1780
Week 13 Mar 27, 1780 Apr 2, 1780
Week 14 Apr 3, 1780 Apr 9, 1780
Week 15 Apr 10, 1780 Apr 16, 1780
Week 16 Apr 17, 1780 Apr 23, 1780
Week 17 Apr 24, 1780 Apr 30, 1780
Week 18 May 1, 1780 May 7, 1780
Week 19 May 8, 1780 May 14, 1780
Week 20 May 15, 1780 May 21, 1780
Week 21 May 22, 1780 May 28, 1780
Week 22 May 29, 1780 Jun 4, 1780
Week 23 Jun 5, 1780 Jun 11, 1780
Week 24 Jun 12, 1780 Jun 18, 1780
Week 25 Jun 19, 1780 Jun 25, 1780
Week 26 Jun 26, 1780 Jul 2, 1780
Week 27 Jul 3, 1780 Jul 9, 1780
Week 28 Jul 10, 1780 Jul 16, 1780
Week 29 Jul 17, 1780 Jul 23, 1780
Week 30 Jul 24, 1780 Jul 30, 1780
Week 31 Jul 31, 1780 Aug 6, 1780
Week 32 Aug 7, 1780 Aug 13, 1780
Week 33 Aug 14, 1780 Aug 20, 1780
Week 34 Aug 21, 1780 Aug 27, 1780
Week 35 Aug 28, 1780 Sep 3, 1780
Week 36 Sep 4, 1780 Sep 10, 1780
Week 37 Sep 11, 1780 Sep 17, 1780
Week 38 Sep 18, 1780 Sep 24, 1780
Week 39 Sep 25, 1780 Oct 1, 1780
Week 40 Oct 2, 1780 Oct 8, 1780
Week 41 Oct 9, 1780 Oct 15, 1780
Week 42 Oct 16, 1780 Oct 22, 1780
Week 43 Oct 23, 1780 Oct 29, 1780
Week 44 Oct 30, 1780 Nov 5, 1780
Week 45 Nov 6, 1780 Nov 12, 1780
Week 46 Nov 13, 1780 Nov 19, 1780
Week 47 Nov 20, 1780 Nov 26, 1780
Week 48 Nov 27, 1780 Dec 3, 1780
Week 49 Dec 4, 1780 Dec 10, 1780
Week 50 Dec 11, 1780 Dec 17, 1780
Week 51 Dec 18, 1780 Dec 24, 1780
Week 52 Dec 25, 1780 Dec 31, 1780
Week 1, 1781 Jan 1, 1781 Jan 7, 1781

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