Mars does not always pass through Cancer in one go. When it turns retrograde near the boundary it backs out into the previous sign and returns months later, which splits a single visit into separate windows. Most almanacs quote one date range and lose that.
14 October 1992 → 27 April 1993Past
16 August 1994 → 4 October 1994Past
25 July 1996 → 9 September 1996Past
6 July 1998 → 20 August 1998Past
16 June 2000 → 1 August 2000Past
28 May 2002 → 13 July 2002Past
7 May 2004 → 23 June 2004Past
14 April 2006 → 3 June 2006Past
28 September 2007 → 31 December 2007Past
4 March 2008 → 9 May 2008Re-entry after retrograde
25 August 2009 → 16 October 2009Past
3 August 2011 → 19 September 2011Past
13 July 2013 → 28 August 2013Past
24 June 2015 → 8 August 2015Past
4 June 2017 → 20 July 2017Past
16 May 2019 → 1 July 2019Past
23 April 2021 → 11 June 2021Past
25 March 2023 → 20 May 2023Past
4 September 2024 → 4 November 2024Past
6 January 2025 → 18 April 2025Re-entry after retrograde
11 August 2026 → 28 September 2026Past
20 July 2028 → 4 September 2028Upcoming
1 July 2030 → 15 August 2030Upcoming
11 June 2032 → 27 July 2032Upcoming
23 May 2034 → 8 July 2034Upcoming
2 May 2036 → 18 June 2036Upcoming
7 April 2038 → 29 May 2038Upcoming
18 September 2039 → 2 May 2040Upcoming
19 August 2041 → 8 October 2041Upcoming
29 July 2043 → 13 September 2043Upcoming
8 July 2045 → 23 August 2045Upcoming
19 June 2047 → 4 August 2047Upcoming
30 May 2049 → 15 July 2049Upcoming
11 May 2051 → 27 June 2051Upcoming
17 April 2053 → 6 June 2053Upcoming
8 October 2054 → 8 December 2054Upcoming
14 March 2055 → 14 May 2055Re-entry after retrograde
29 August 2056 → 22 October 2056Upcoming
5 February 2057 → 3 April 2057Re-entry after retrograde
6 August 2058 → 22 September 2058Upcoming
15 July 2060 → 30 August 2060Upcoming