Maxima for ZZ Dra
Mean period: 269.68, GCVS period: 267.9

E O (JD) O (dat) Period
-97 2415005 1899-12-16 270.26
-95 2415555 1901-06-19 270.4
-93 2416083 1902-11-29 271.35
-92 2416349 1903-08-22 272.5
-91 2416620 1904-05-19 272.68
-90 2416910 1905-03-05 273.18
-89 2417170 1905-11-20 273.87
-88 2417455 1906-09-01 274.65
-85 2418279 1908-12-03 274.33
-84 2418545 1909-08-26 273.64
-83 2418830 1910-06-07 272.24
-82 2419100 1911-03-04 272.14
-81 2419370 1911-11-29 271.32
-77 2420460 1914-11-23 270.99
-75 2421000 1916-05-16 270.17
-74 2421245 1917-01-16 269.44
-73 2421540 1917-11-07 268.71
-72 2421800 1918-07-25 267.37
-71 2422080 1919-05-01 265.6
-70 2422320 1919-12-27 264.41
-69 2422600 1920-10-02 263.83
-68 2422855 1921-06-14 262.06
-66 2423380 1922-11-21 262.57
-65 2423650 1923-08-18 262.39
-64 2423900 1924-04-24 263.13
-62 2424430 1925-10-06 263.37
-61 2424680 1926-06-13 264.02
-60 2424970 1927-03-30 264.29
-59 2425220 1927-12-05 265.14
-58 2425490 1928-08-31 266.41
-57 2425765 1929-06-02 267.6
-55 2426285 1930-11-04 269.11
-54 2426547 1931-07-24 269.59
-53 2426830 1932-05-02 270.89
-52 2427100 1933-01-27 271.35
-51 2427380 1933-11-03 272.13
-50 2427663 1934-08-13 273.37
-49 2427929 1935-05-06 273.73
-48 2428196 1936-01-28 272.95
-47 2428465 1936-10-23 273.33
-46 2428742 1937-07-27 273.27
-45 2429014 1938-04-25 273.34
-44 2429296 1939-02-01 273.82
-43 2429559 1939-10-22 273.85
-42 2429847 1940-08-05 273.55
-41 2430117 1941-05-02 273
-40 2430387 1942-01-27 272.99
-39 2430658 1942-10-25 273.41
-38 2430928 1943-07-22 274.11
-37 2431200 1944-04-19 274.25
-35 2431746 1945-10-17 275.23
-34 2432026 1946-07-24 276.03
-33 2432312 1947-05-06 276.39
-32 2432587 1948-02-05 276.71
-31 2432861 1948-11-05 276.75
-30 2433143 1949-08-14 276.25
-29 2433418 1950-05-16 269.99
-28 2433687 1951-02-09 269.44
-27 2433965 1951-11-14 269.27
-26 2434240 1952-08-15 269.05
-25 2434509 1953-05-11 268.89
-3 2440410 1969-07-07 268.77
4 2442300 1974-09-09 268.71
5 2442570 1975-06-06 268.6
6 2442830 1976-02-21 268.52
7 2443100 1976-11-17 268.57
8 2443367 1977-08-11 268.73
9 2443640 1978-05-11 268.54
10 2443907 1979-02-02 269.46
11 2444172 1979-10-25 270.05
12 2444450 1980-07-29 270.25
13 2444710 1981-04-15 270.66
14 2444987 1982-01-17 270.46
15 2445267 1982-10-24 270.62
16 2445529 1983-07-13 270.84
17 2445800 1984-04-09 270.48
18 2446075 1985-01-09 270.95
19 2446336 1985-09-27 270.86
20 2446610 1986-06-28 270.46
21 2446885 1987-03-30 270.71
22 2447150 1987-12-20 270.5
23 2447430 1988-09-25 269.99
24 2447702 1989-06-24 270.06
25 2447961 1990-03-10 269.58
26 2448234 1990-12-08 269.1
27 2448503 1991-09-03 268.88
28 2448766 1992-05-23 268.89
29 2449042 1993-02-23 269.05
30 2449310 1993-11-18 269.16
31 2449576 1994-08-11 268.88
32 2449845 1995-05-07 268.95
33 2450124 1996-02-10 268.63
34 2450386 1996-10-29 268.29
35 2450650 1997-07-20 268.42
36 2450920 1998-04-16 268.12
37 2451192 1999-01-13 267.58
38 2451452 1999-09-30 266.85
39 2451726 2000-06-30 267.43
40 2451997 2001-03-28 267.37
41 2452257 2001-12-13 266.63
42 2452522 2002-09-04 266.05
43 2452784 2003-05-24 265.68
44 2453066 2004-03-01 265.23
45 2453326 2004-11-16 264.76
46 2453582 2005-07-30 264.96
47 2453848 2006-04-22 264.63
48 2454112 2007-01-11 265.08
49 2454382 2007-10-08 265.65
50 2454639 2008-06-21 266.94
51 2454911 2009-03-20 267.67
52 2455170 2009-12-04 267.81
53 2455452 2010-09-12 268.58
54 2455726 2011-06-13 268.55
55 2455992 2012-03-05 268.72
56 2456253 2012-11-21 268.51
57 2456518 2013-08-13 268.43
58 2456800 2014-05-22 267.89
59 2457056 2015-02-02 267.6
60 2457325 2015-10-29 267.36
61 2457597 2016-07-27 267.55
62 2457865 2017-04-21 267.55
63 2458135 2018-01-16 267.65
64 2458395 2018-10-03 268.6
65 2458656 2019-06-21 268.59
66 2458932 2020-03-23 268.62
67 2459203 2020-12-19 269.02
68 2459477 2021-09-19 269.75
69 2459749 2022-06-18 271.54


E Cycle number from the GCVS4 epoch.
O (JD) Julian date at observed time for maximum.
O (Dat) Same as above, expressed as date.
Period Calculated mean period at cycle number E.