1640

Sixteen Forty

1640 was 384 years 4 months 2 weeks ago. There were 365 days in 1640 because this year was a leap year. 1640 had 52 weeks. In the Chinese calendar, 1640 was the year of the dragon. 🐉

The Gregorian year 1640 corresponds to 1049 or 1050 in the Hijri calendar - also known as the Muslim calendar and Islamic calendar. In the Hebrew calendar, called HaLuah HaIvri, the Gregorian year 1640 corresponds to 5400 or 5401 depending on the time of year. ☪️ ✡️

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1640 in Roman Numerals is:

MDCXL

Roman numeral converter »

1640 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

1640 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 1639 | week numbers for 1641 »

Week Number Start Day End Day
Week 52, 1639 Dec 26, 1639 Jan 1, 1640
Week 1 Jan 2, 1640 Jan 8, 1640
Week 2 Jan 9, 1640 Jan 15, 1640
Week 3 Jan 16, 1640 Jan 22, 1640
Week 4 Jan 23, 1640 Jan 29, 1640
Week 5 Jan 30, 1640 Feb 5, 1640
Week 6 Feb 6, 1640 Feb 12, 1640
Week 7 Feb 13, 1640 Feb 19, 1640
Week 8 Feb 20, 1640 Feb 26, 1640
Week 9 Feb 27, 1640 Mar 4, 1640
Week 10 Mar 5, 1640 Mar 11, 1640
Week 11 Mar 12, 1640 Mar 18, 1640
Week 12 Mar 19, 1640 Mar 25, 1640
Week 13 Mar 26, 1640 Apr 1, 1640
Week 14 Apr 2, 1640 Apr 8, 1640
Week 15 Apr 9, 1640 Apr 15, 1640
Week 16 Apr 16, 1640 Apr 22, 1640
Week 17 Apr 23, 1640 Apr 29, 1640
Week 18 Apr 30, 1640 May 6, 1640
Week 19 May 7, 1640 May 13, 1640
Week 20 May 14, 1640 May 20, 1640
Week 21 May 21, 1640 May 27, 1640
Week 22 May 28, 1640 Jun 3, 1640
Week 23 Jun 4, 1640 Jun 10, 1640
Week 24 Jun 11, 1640 Jun 17, 1640
Week 25 Jun 18, 1640 Jun 24, 1640
Week 26 Jun 25, 1640 Jul 1, 1640
Week 27 Jul 2, 1640 Jul 8, 1640
Week 28 Jul 9, 1640 Jul 15, 1640
Week 29 Jul 16, 1640 Jul 22, 1640
Week 30 Jul 23, 1640 Jul 29, 1640
Week 31 Jul 30, 1640 Aug 5, 1640
Week 32 Aug 6, 1640 Aug 12, 1640
Week 33 Aug 13, 1640 Aug 19, 1640
Week 34 Aug 20, 1640 Aug 26, 1640
Week 35 Aug 27, 1640 Sep 2, 1640
Week 36 Sep 3, 1640 Sep 9, 1640
Week 37 Sep 10, 1640 Sep 16, 1640
Week 38 Sep 17, 1640 Sep 23, 1640
Week 39 Sep 24, 1640 Sep 30, 1640
Week 40 Oct 1, 1640 Oct 7, 1640
Week 41 Oct 8, 1640 Oct 14, 1640
Week 42 Oct 15, 1640 Oct 21, 1640
Week 43 Oct 22, 1640 Oct 28, 1640
Week 44 Oct 29, 1640 Nov 4, 1640
Week 45 Nov 5, 1640 Nov 11, 1640
Week 46 Nov 12, 1640 Nov 18, 1640
Week 47 Nov 19, 1640 Nov 25, 1640
Week 48 Nov 26, 1640 Dec 2, 1640
Week 49 Dec 3, 1640 Dec 9, 1640
Week 50 Dec 10, 1640 Dec 16, 1640
Week 51 Dec 17, 1640 Dec 23, 1640
Week 52 Dec 24, 1640 Dec 30, 1640
Week 1, 1640 Dec 31, 1640 Jan 6, 1641

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