Maxima for ZZ Dra
Mean period: 269.64, GCVS period: 267.9

E O (JD) O (dat) Period
-93 2416082 1902-11-28 274.19
-92 2416349 1903-08-22 274.38
-91 2416610 1904-05-09 273.43
-90 2416910 1905-03-05 271.77
-85 2418270 1908-11-24 271.68
-81 2419370 1911-11-29 272.85
-75 2420990 1916-05-06 271.75
-74 2421235 1917-01-06 270.83
-73 2421520 1917-10-18 270
-71 2422080 1919-05-01 266.29
-70 2422310 1919-12-17 265.54
-69 2422620 1920-10-22 265.18
-68 2422850 1921-06-09 264.24
-57 2425765 1929-06-02 265.41
-55 2426285 1930-11-04 266.53
-54 2426547 1931-07-24 266.76
-53 2426830 1932-05-02 268.21
-51 2427380 1933-11-03 271.24
-50 2427678 1934-08-28 273.5
-49 2427929 1935-05-06 273.69
-48 2428196 1936-01-28 272.87
-47 2428465 1936-10-23 270.64
-46 2428743 1937-07-28 271.21
-45 2429013 1938-04-24 274.43
-44 2429290 1939-01-26 274.21
-43 2429557 1939-10-20 274.79
-42 2429847 1940-08-05 274.86
-41 2430120 1941-05-05 273.29
-40 2430380 1942-01-20 273.33
-39 2430675 1942-11-11 273
-38 2430929 1943-07-23 273.13
-37 2431200 1944-04-19 274.94
-35 2431747 1945-10-18 274.56
-34 2432025 1946-07-23 275
-33 2432312 1947-05-06 277
-32 2432587 1948-02-05 277.2
-31 2432861 1948-11-05 277.14
-30 2433143 1949-08-14 275.36
-29 2433418 1950-05-16 274.07
-28 2433687 1951-02-09 270.5
-27 2433965 1951-11-14 269.57
-26 2434227 1952-08-02 268.92
-25 2434509 1953-05-11 268.4
4 2442300 1974-09-09 268.58
5 2442574 1975-06-10 268.82
7 2443080 1976-10-28 268.65
8 2443350 1977-07-25 268.48
9 2443640 1978-05-11 267.88
10 2443907 1979-02-02 269.53
11 2444172 1979-10-25 273.14
12 2444450 1980-07-29 271.86
13 2444710 1981-04-15 270.14
14 2444987 1982-01-17 271.14
15 2445267 1982-10-24 270.64
16 2445529 1983-07-13 270.43
17 2445800 1984-04-09 271.29
18 2446075 1985-01-09 270.07
19 2446336 1985-09-27 270.29
20 2446610 1986-06-28 271.64
21 2446885 1987-03-30 270.57
22 2447150 1987-12-20 270.29
23 2447430 1988-09-25 270.79
24 2447702 1989-06-24 269.57
25 2447961 1990-03-10 269.5
26 2448234 1990-12-08 269.43
27 2448503 1991-09-03 268.14
28 2448766 1992-05-23 268.43
29 2449042 1993-02-23 269.57
30 2449310 1993-11-18 269.5
31 2449576 1994-08-11 269.07
32 2449845 1995-05-07 268.71
33 2450124 1996-02-10 268.57
34 2450386 1996-10-29 268.43
35 2450650 1997-07-20 268.36
36 2450920 1998-04-16 268.14
37 2451192 1999-01-13 267.43
38 2451452 1999-09-30 267.36
39 2451726 2000-06-30 266.86
40 2451997 2001-03-28 267
41 2452257 2001-12-13 267.71
42 2452522 2002-09-04 266.43
43 2452784 2003-05-24 264.79
44 2453066 2004-03-01 264.71
45 2453326 2004-11-16 265.36
46 2453582 2005-07-30 265.36
47 2453848 2006-04-22 264.29
48 2454112 2007-01-11 263.5
49 2454382 2007-10-08 265.29
50 2454639 2008-06-21 267.71
51 2454911 2009-03-20 268.43
52 2455170 2009-12-04 267.93
53 2455452 2010-09-12 267.86
54 2455726 2011-06-13 269.14
55 2455992 2012-03-05 269.64
56 2456253 2012-11-21 268.5
57 2456518 2013-08-13 267.43
58 2456800 2014-05-22 267.43
59 2457056 2015-02-02 268.21
60 2457325 2015-10-29 268.5
61 2457597 2016-07-27 266.64
62 2457865 2017-04-21 266.57
63 2458135 2018-01-16 268.14
64 2458395 2018-10-03 268.43
65 2458656 2019-06-21 268.86
66 2458932 2020-03-23 268.35
67 2459203 2020-12-19 268.11
68 2459477 2021-09-19 271.58
69 2459749 2022-06-18 273.7


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.