This is the calendar for any common year starting on Friday dominical letter C ). Examples: Gregorian years 1982 , 1988 1993 , 1999 , 2010 , 2016 , 2021 , 2027 , and 2038 [1] Julian year 1910 (see bottom tables).
A common year is a year with 365 days, i.e., not a leap year .
January
0 10 2
0 30 40 50 60 70 80 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
February
0 10 20 30 40 50 6
0 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
March
0 10 20 30 40 50 6
0 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
April
0 10 20 3
0 40 50 60 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
May
0 1
0 20 30 40 50 60 70 8
0 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
June
0 10 20 30 40 5
0 60 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
July
0 10 20 3
0 40 50 60 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
August
0 10 20 30 40 50 60 7
0 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
September
0 10 20 30 4
0 50 60 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
October
0 10 2
0 30 40 50 60 70 80 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
November
0 10 20 30 40 50 6
0 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
December
0 10 20 30 4
0 50 60 70 80 910
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Millennium
Century
Gregorian Year[1]
2nd millennium 19th century :1802
1813
1819
1830
1841
1847
1858
1869
1875
1886
1897
2nd millennium 20th century :1909
1915
1926
1937
1943
1954
1965
1971
1982
1993
1999
3rd millennium 21st century :2010
2021
2027
2038
2049
2055
2066
2077
2083
2094
2100
3rd millennium 22nd century :2106
2117
2123
2134
2145
2151
2162
2173
2179
2190
Millennium
Century
Julian Year[2]
2nd Millennium 19th century :1809
1815
1826
1837
1843
1854
1865
1871
1882
1893
1899
2nd Millennium 20th century :1910
1921
1927
1938
1949
1955
1966
1977
1983
1994
3rd Millennium 21st century :2005
2011
2022
2033
2039
2050
2061
2067
2078
2089
2095
3rd Millennium 22nd century :2106
2117
2123
2134
2145
2151
2162
2173
2179
2190
This is the only year type where the n th "Doomsday " (this year Sunday) is not in ISO week n ; it is in ISO week n -1.
References [ edit ]
^ a b "A common year beginning on Friday", jonstlouis.htmlplanet.com, 2011, webpage: HTMcal . ^ "Calendar in year 1809 (Russia )" (Julian calendar, starting Tuesday), webpage: Julian-1809 (Romania used Julian in 1919, when Russia adopted Gregorian).
Gregorian year types per leap cycle by Dominical letter (DL)[1] Doomsday (DD)
Year starts
Common years Leap years
1 Jan
Count
Ratio
31 Dec
DL
DD
Count
Ratio
31 Dec
DL
DD
Count
Ratio
Sun 58
14.50 %
Sun
A Tue
43
10.75 %
Mon
AG Wed
15
0 3.75 %
Sat 56
14.00 %
Sat
B Mon
43
10.75 %
Sun
BA Tue
13
0 3.25 %
Fri 58
14.50 %
Fri
C Sun
43
10.75 %
Sat
CB Mon
15
0 3.75 %
Thu 57
14.25 %
Thu
D Sat
44
11.00 %
Fri
DC Sun
13
0 3.25 %
Wed 57
14.25 %
Wed
E Fri
43
10.75 %
Thu
ED Sat
14
0 3.50 %
Tue 58
14.50 %
Tue
F Thu
44
11.00 %
Wed
FE Fri
14
0 3.50 %
Mon 56
14.00 %
Mon
G Wed
43
10.75 %
Tue
GF Thu
13
0 3.25 %
∑
400
100.0 %
303
75.75 %
97
24.25 %
^ Robert H. van Gent (2005). "Mathematics of the ISO calendar" . Department of Mathematics at Utrecht University.
