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Justis FAQ – How do regnal years correspond to calendar years?

Q – What are regnal years, and how do they correspond to calendar years?

A – Prior to 1963, Acts of Parliament were numbered using the year of the sovereign’s reign in which the Act was passed, a system known as regnal years.

Under the regnal year system, an Act passed early in a parliamentary session has a citation such as 5 Edw. 7, c. 9, for the ninth chapter in the session that commenced in the fifth year of the reign of King Edward 7th. It was common for a session to extend into a second regnal year, giving rise to a citation such as 8 & 9 Geo. 6, c. 4. Occasionally, a session could extend into a third regnal year, with citations such as 12 13 & 14 Geo. 6, c. 87.

To determine the calendar year(s) corresponding to a regnal year, select the name of a monarch in the following list, and look for the regnal year in the first column of the table for that monarch.

     

Henry III

Regnal Year(s)Calendar Year(s)
20 Hen. 31235
37 Hen. 31252
40 Hen. 31255
51 Hen. 3 St. 11266
51 Hen. 3 St. 21266
51 Hen. 3 St. 31266
51 Hen. 3 St. 41266
51 Hen. 3 St. 51266
51 Hen. 3 St. 61266
51 & 52 Hen. 31266
52 Hen. 31267

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Edward I

Regnal Year(s)Calendar Year(s)
3 Edw. 11275
4 Edw. 11276
4 Edw. 1 St. 11276
6 Edw. 11278
7 Edw. 11279
9 Edw. 11281
11 Edw. 11283
12 Edw. 11284
13 Edw. 11285
14 Edw. 11286
18 Edw. 11290
20 Edw. 11292
21 Edw. 11293
23 Edw. 11295
25 Edw. 11297
27 Edw. 11299
28 Edw. 11300
29 Edw. 11301
31 Edw. 11303
33 Edw. 11304 & 1305
34 Edw. 11306
34 Edw. 1 St. 21306
35 Edw. 11307

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Edward II

Regnal Year(s)Calendar Year(s)
1 Edw. 21307
3 Edw. 21309
7 Edw. 21313
9 Edw. 2 St. 11315
9 Edw. 2 St. 21315
10 Edw. 21316
12 Edw. 21318
14 Edw. 21321
15 Edw. 21322 & 1323
16 Edw. 21323
17 Edw. 2. St. 11323 & 1324
17 Edw. 2. St. 21324
18 Edw. 21325
19 & 20 Edw. 21326

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Edward III

Regnal Year(s)Calendar Year(s)
1 Edw. 3 St. 11327
1 Edw. 3 St. 21327
2 Edw. 31328
4 Edw. 31330
5 Edw. 31331
9 Edw. 3 St. 11335
9 Edw. 3 St. 21335
10 Edw. 3 St. 11336
10 Edw. 3 St. 21336
10 Edw. 3 St. 31336
11 Edw. 31337
14 Edw. 3 St. 11340
14 Edw. 3 St. 21340
14 Edw. 3 St. 41340
15 Edw. 3 St. 11341
15 Edw. 3 St. 21341
15 Edw. 3 St. 31341
17 Edw. 31343
18 Edw. 3 St. 11344
18 Edw. 3 St. 21344
18 Edw. 3 St. 31344
20 Edw. 31346
23 Edw. 31349
25 Edw. 31351
25 Edw. 3 St. 11350
25 Edw. 3 St. 21350
25 Edw. 3 St. 31350
25 Edw. 3 St. 41350
25 Edw. 3 St. 51351
25 Edw. 3 St. 61351
25 Edw. 3 St. 71351
27 Edw. 31353
27 Edw. 3 St. 11353
27 Edw. 3 St. 21353
28 Edw. 31354
31 Edw. 3 St. 11357
31 Edw. 3 St. 21357
31 Edw. 3 St. 31357
31 Edw. 3 St. 41357
34 Edw. 31361
35 Edw. 31361
36 Edw. 3 St. 11362
36 Edw. 3 St. 21362
37 Edw. 31363
38 Edw. 3 St. 11363
38 Edw. 3 St. 21363
42 Edw. 31368
43 Edw. 31369
45 Edw. 31371
46 Edw. 31372
47 Edw. 31373
50 Edw. 31376

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Richard II

Regnal Year(s)Calendar Year(s)
1 Ric. 21377
2 Ric. 2. St. 11378
2 Ric. 2. St. 21379
3 Ric. 21379
4 Ric. 21380
5 Ric. 2. St. 11381
5 Ric. 2. St. 21382
6 Ric. 2. St. 11382
6 Ric. 2. St. 21383
7 Ric. 21383
8 Ric. 21384
9 Ric. 21385
10 Ric. 21386
11 Ric. 21387
12 Ric. 21388
13 Ric. 2. St. 11389
13 Ric. 2. St. 21389
13 Ric. 2. St. 31389
14 Ric. 21390
15 Ric. 21391
16 Ric. 21392
17 Ric. 21393
20 Ric. 21396
21 Ric. 21397

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Henry IV

Regnal Year(s)Calendar Year(s)
1 Hen. 41399
2 Hen. 41400
4 Hen. 41402
5 Hen. 41403
6 Hen. 41404
7 Hen. 41405
9 Hen. 41407
11 Hen. 41409
13 Hen. 41411

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Henry V

Regnal Year(s)Calendar Year(s)
1 Hen. 51413
2 Hen. 5. St. 11414
2 Hen. 5. St. 21414
3 Hen. 51415
3 Hen. 5. St. 21415
4 Hen. 51416
5 Hen. 51417
7 Hen. 51419
8 Hen. 51420
9 Hen. 5. St. 11421
9 Hen. 5. St. 21421

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Henry VI

Regnal Year(s)Calendar Year(s)
1 Hen. 61422
2 Hen. 61423
3 Hen. 61425
4 Hen. 61425
6 Hen. 61427
8 Hen. 61429
9 Hen. 61430
10 Hen. 61432
10 Hen. 6. St. 21432
11 Hen. 61433
14 Hen. 61435
15 Hen. 61436
18 Hen. 61439
20 Hen. 61442
23 Hen. 61444
25 Hen. 61447
27 Hen. 61448
28 Hen. 61449
29 Hen. 61450
31 Hen. 61452
33 Hen. 61455
39 Hen. 61460

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Edward IV

Regnal Year(s)Calendar Year(s)
1 Edw. 41461
3 Edw. 41463
4 Edw. 41464
7 Edw. 41467
8 Edw. 41468
12 Edw. 41472
14 Edw. 41474
17 Edw. 41477
22 Edw. 41482

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Richard III

Regnal Year(s)Calendar Year(s)
1 Ric. 31483

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Henry VII

Regnal Year(s)Calendar Year(s)
1 Hen. 71485
3 Hen. 71487
4 Hen. 71488
7 Hen. 71491
11 Hen. 71495
12 Hen. 71496
19 Hen. 71503

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Henry VIII

Regnal Year(s)Calendar Year(s)
1 Hen. 81509
3 Hen. 81511
4 Hen. 81512
5 Hen. 81513
6 Hen. 81514
7 Hen. 81515
14 & 15 Hen. 81523
21 Hen. 81529
22 Hen. 81530
23 Hen. 81531
24 Hen. 81532
25 Hen. 81533
26 Hen. 81534
27 Hen. 81535
28 Hen. 81536
31 Hen. 81539
32 Hen. 81540
33 Hen. 81541
34 & 35 Hen. 81542
35 Hen. 81543
37 Hen. 81545

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Edward VI

Regnal Year(s)Calendar Year(s)
1 Edw. 61547
2 & 3 Edw. 61548
3 & 4 Edw. 61549
5 & 6 Edw. 61551
7 Edw. 61553

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Mary

Regnal Year(s)Calendar Year(s)
1 Mar. Session 11553
1 Mar. Session 21553
1 Mar. Session 31554

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Philip & Mary

Regnal Year(s)Calendar Year(s)
1 & 2 Ph. & M1554
2 & 3 Ph. & M1555
4 & 5 Ph. & M1557

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Elizabeth I

Regnal Year(s)Calendar Year(s)
1 Eliz. 11558
5 Eliz. 11562
8 Eliz. 11566
13 Eliz. 11571
14 Eliz. 11572
18 Eliz. 11575
23 Eliz. 11580
27 Eliz. 11584
29 Eliz. 11586
31 Eliz. 11588
35 Eliz. 11592
39 Eliz. 11597
43 Eliz. 11601

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James I

Regnal Year(s)Calendar Year(s)
1 Ja. 11603
3 Ja. 11605
4 Ja. 11606
7 Ja. 11609
21 Ja. 11623

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Charles I

Regnal Year(s)Calendar Year(s)
1 Cha. 11625
3 Cha. 11627
16 Cha. 11640

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Charles II

Regnal Year(s)Calendar Year(s)
12 Cha. 21660
13 Cha. 2. St. 11661
13 Cha. 2. St. 21661
14 Cha. 21662
15 Cha. 21663
16 Cha. 21664
16 & 17 Cha. 21664
17 Cha. 21665
18 & 19 Cha. 21666
19 & 20 Cha. 21667
22 Cha. 21670
22 & 23 Cha. 21670
25 Cha. 21672
27 Cha. 21675
29 Cha. 21677
29 & 30 Cha. 21677
30 Cha. 21678
30 Cha. 2. St. 21678
31 Cha. 21679
32 Cha. 21680

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James II

Regnal Year(s)Calendar Year(s)
1 Ja. 21685

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William & Mary

Regnal Year(s)Calendar Year(s)
1 Will. & Mar.1688
1 Will. & Mar. Session 21688
2 Will. & Mar.1689
2 Will. & Mar. Session 21690
3 Will. & Mar.1691
4 Will. & Mar.1692
5 Will. & Mar.1693
5 & 6 Will. & Mar.1694
6 & 7 Will. & Mar.1694

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William III

Regnal Year(s)Calendar Year(s)
7 & 8 Will. 31695
8 & 9 Will. 31696
9 Will. 31697
10 Will. 31698
11 Will. 31698
12 & 13 Will. 31700
13 & 14 Will. 31701

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Anne

Regnal Year(s)Calendar Year(s)
1 Ann.1702
1 Ann. St. 21702
2 & 3 Ann.1703
3 & 4 Ann.1704
4 & 5 Ann.1705
6 Ann.1706 & 1707
7 Ann.1708
8 Ann.1709
9 Ann.1710
10 Ann.1711
12 Ann.1712
13 Ann.1713

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George I

Regnal Year(s)Calendar Year(s)
1 Geo. 1 St. 11714
1 Geo. 1 St. 21714 & 1715
3 Geo. 11716
4 Geo. 11717
5 Geo. 11718
6 Geo. 11719
7 Geo. 1. St. 11720
7 Geo. 1. St. 21721
8 Geo. 11721
9 Geo. 11722
10 Geo. 11723
11 Geo. 11724
12 Geo. 11725
13 Geo. 11726

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George II

Regnal Year(s)Calendar Year(s)
1 Geo. 2 St. 11727
1 Geo. 2 St. 21727
2 Geo. 21728
3 Geo. 21729
4 Geo. 21730
5 Geo. 21731
6 Geo. 21732
7 Geo. 21733
8 Geo. 21734
9 Geo. 21735
10 Geo. 21736
11 Geo. 21737
12 Geo. 21738
13 Geo. 21739
14 Geo. 21740
15 Geo. 21741
16 Geo. 21742
17 Geo. 21743
18 Geo. 21744
19 Geo. 21745
20 Geo. 21746
21 Geo. 21747
22 Geo. 21748
23 Geo. 21749
24 Geo. 21750
25 Geo. 21751
26 Geo. 21753
27 Geo. 21754
28 Geo. 21755
29 Geo. 21756
30 Geo. 21757
31 Geo. 21757
32 Geo. 21758
33 Geo. 21759

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George III

Regnal Year(s)Calendar Year(s)
1 Geo. 31760
2 Geo. 31761 & 1762
3 Geo. 31762 & 1763
4 Geo. 31763 & 1764
5 Geo. 31765
6 Geo. 31766
7 Geo. 31766 & 1767
8 Geo. 31768
8 Geo. 3 Session 21768
9 Geo. 31769
10 Geo. 31770
11 Geo. 31771
12 Geo. 31772
13 Geo. 31772 & 1773
14 Geo. 31774
15 Geo. 31775
16 Geo. 31776
17 Geo. 31776 & 1777
18 Geo. 31778
19 Geo. 31779
20 Geo. 31780
21 Geo. 31781
22 Geo. 31782
23 Geo. 31783
24 Geo. 3 Session 11783
24 Geo. 3 Session 21784
25 Geo. 31785
26 Geo. 31786
27 Geo. 31787
28 Geo. 31788
29 Geo. 31789
30 Geo. 31790
31 Geo. 31791
32 Geo. 31792
33 Geo. 31793
34 Geo. 31794
35 Geo. 31795
36 Geo. 31795 & 1796
37 Geo. 31796 & 1797
38 Geo. 31797 & 1798
39 Geo. 31798 & 1799
39 & 40 Geo. 31799 & 1800
41 Geo. 31800 & 1801
42 Geo. 31801 & 1802
43 Geo. 31802 & 1803
44 Geo. 31803 & 1804
45 Geo. 31805
46 Geo. 31806
47 Geo. 3 Session 11807
47 Geo. 3 Session 21807
48 Geo. 31808
49 Geo. 31809
50 Geo. 31810
51 Geo. 31811
52 Geo. 31812
53 Geo. 31812 & 1813
54 Geo. 31813 & 1814
55 Geo. 31814 & 1815
56 Geo. 31816
57 Geo. 31817
58 Geo. 31818
59 Geo. 31819

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George III & George IV

Regnal Year(s)Calendar Year(s)
60 Geo. 3 & 1 Geo. 41819 & 1820

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George IV

Regnal Year(s)Calendar Year(s)
1 Geo. 41820
1 & 2 Geo. 41821
3 Geo. 41822
4 Geo. 41823
5 Geo. 41824
6 Geo. 41825
7 Geo. 41826
7 & 8 Geo. 41826 & 1827
9 Geo. 41828
10 Geo. 41829

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George IV & William IV

Regnal Year(s)Calendar Year(s)
11 Geo. 4 & 1 Will. 41830

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William IV

Regnal Year(s)Calendar Year(s)
1 Will. 41830
1 & 2 Will. 41831
1 Will. 41831
2 & 3 Will. 41832
3 & 4 Will. 41833
4 & 5 Will. 41834
5 & 6 Will. 41835
6 & 7 Will. 41836

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William IV & Victoria

Regnal Year(s)Calendar Year(s)
7 Will. 4 & 1 Vict.1837

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Victoria

Regnal Year(s)Calendar Year(s)
1 & 2 Vict.1837 & 1838
2 & 3 Vict.1839
3 & 4 Vict.1840
4 & 5 Vict.1841
5 Vict.1841
5 & 6 Vict.1842
6 & 7 Vict.1843
7 & 8 Vict.1844
8 & 9 Vict.1845
9 & 10 Vict.1846
10 & 11 Vict.1847
11 & 12 Vict.1848
12 & 13 Vict.1849
13 & 14 Vict.1850
14 & 15 Vict.1851
15 & 16 Vict.1852
16 & 17 Vict.1852 & 1853
17 & 18 Vict.1854
18 & 19 Vict.1855
19 & 20 Vict.1856
20 & 21 Vict.1857
20 Vict.1857
21 & 22 Vict.1857 & 1858
22 Vict.1859
22 & 23 Vict.1859
23 & 24 Vict.1860
24 & 25 Vict.1861
25 & 26 Vict.1862
26 & 27 Vict.1863
27 & 28 Vict.1864
28 & 29 Vict.1865
29 & 30 Vict.1866
30 & 31 Vict.1867
31 & 32 Vict.1867 & 1868
32 & 33 Vict.1869
33 & 34 Vict.1870
34 & 35 Vict.1871
35 & 36 Vict.1872
36 & 37 Vict.1873
37 & 38 Vict.1874
38 & 39 Vict.1875
39 & 40 Vict.1876
40 & 41 Vict.1877
41 & 42 Vict.1878
42 & 43 Vict.1879
43 Vict.1880
43 & 44 Vict.1880
44 & 45 Vict.1881
45 & 46 Vict.1882
46 & 47 Vict.1883
47 & 48 Vict.1884
48 & 49 Vict.1884 & 1885
49 & 50 Vict.1886
50 Vict.1886
50 & 51 Vict.1887
51 & 52 Vict.1888
52 & 53 Vict.1889
53 & 54 Vict.1890
54 & 55 Vict.1890 & 1891
55 & 56 Vict.1892
56 & 57 Vict.1893 & 1894
57 & 58 Vict.1894
58 & 59 Vict.1895
59 Vict. (Session 2)1895
59 & 60 Vict.1896
60 & 61 Vict.1897
61 & 62 Vict.1898
62 & 63 Vict.1899
63 Vict. (Session 2)1899
63 & 64 Vict.1900
64 Vict. (Session 2)1900

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Edward VII

Regnal Year(s)Calendar Year(s)
1 Edw. 71901
2 Edw. 71902
3 Edw. 71903
4 Edw. 71904
5 Edw. 71905
6 Edw. 71906
7 Edw. 71907
8 Edw. 71908
9 Edw. 71909

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Edward VII & George V

Regnal Year(s)Calendar Year(s)
10 Edw. 7 & 1 Geo. 51910

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George V

Regnal Year(s)Calendar Year(s)
1 & 2 Geo. 51911
2 & 3 Geo. 51912 & 1913
3 & 4 Geo. 51913
4 & 5 Geo. 51914
5 & 6 Geo. 51914 & 1915 & 1916
6 & 7 Geo. 51916
7 & 8 Geo. 51917 & 1918
8 & 9 Geo. 51918
9 & 10 Geo. 51919
10 & 11 Geo. 51920
11 & 12 Geo. 51921
12 & 13 Geo. 51922
13 Geo. 5 (Session 2)1922
13 & 14 Geo. 51923
14 & 15 Geo. 51923 & 1924
15 & 16 Geo. 51924 & 1925
16 & 17 Geo. 51926
17 & 18 Geo. 51927
18 & 19 Geo. 51928
19 & 20 Geo. 51928 & 1929
20 & 21 Geo. 51929 & 1930
21 & 22 Geo. 51930 & 1931
22 & 23 Geo. 51931 & 1932
23 & 24 Geo. 51932 & 1933
24 & 25 Geo. 51933 & 1934
25 & 26 Geo. 51934 & 1935

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George V & Edward VIII

Regnal Year(s)Calendar Year(s)
26 Geo. 5 & 1 Edw. 81935 & 1936

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Edward VIII & George VI

Regnal Year(s)Calendar Year(s)
1 Edw. 8 & 1 Geo. 61936 & 1937

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George VI

Regnal Year(s)Calendar Year(s)
1 & 2 Geo. 61937 & 1938
2 & 3 Geo. 61938 & 1939
3 & 4 Geo. 61939 & 1940
4 & 5 Geo. 61940 & 1941
5 & 6 Geo. 61941 & 1942
6 & 7 Geo. 61942 & 1943
7 & 8 Geo. 61943 & 1944
8 & 9 Geo. 61944 & 1945
9 & 10 Geo. 61945 & 1946
10 & 11 Geo. 61946 & 1947
11 & 12 Geo. 61947 & 1948
12 13 & 14 Geo. 61948 & 1949
14 Geo. 61950
14 & 15 Geo. 61950 & 1951

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George VI & Elizabeth II

Regnal Year(s)Calendar Year(s)
15 & 16 Geo. 6 & 1 Eliz. 21951 & 1952

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Elizabeth II

Regnal Year(s)Calendar Year(s)
1 & 2 Eliz. 21952 & 1953
2 & 3 Eliz. 21953 & 1954
3 & 4 Eliz. 21954 & 1955
4 & 5 Eliz. 21955 & 1956
5 & 6 Eliz. 21956 & 1957
6 & 7 Eliz. 21957 & 1958
7 & 8 Eliz. 21958 & 1959
8 & 9 Eliz. 21959 & 1960
9 & 10 Eliz. 21960 & 1961
10 & 11 Eliz. 21961 & 1962
11 & 12 Eliz. 21962

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29th July 2008