What are the stay durations and transfer timings for conjunction-class and opposition-class Mars missions?

title: 'Figure 17—Last gasp (for a while): NASA's 1971 Mars spaceship design, the last until the 1980s, proposed to reduce cost by using projected Space Shuttle technology and rejecting nuclear engines in favor of cheaper chemical propulsion. (Manned Exploration Requirements and Considerations, Advanced Studies Office, Engineering and Development Directorate, NASA Manned Spacecraft Center, Houston, Texas, February 1971, p. 5-2.)'

A conjunction-class Mars mission uses low-energy transfers to Mars and back, with a long stay at Mars of roughly 500 days, for a total mission duration of about 1,000 days^[1]. An opposition-class mission uses one low-energy transfer and one high-energy transfer, with a short stay at Mars of typically less than 30 days, for a total duration of about 600 days^[1].

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Humans to Mars: Fifty Years of Mission Planning, 1950-2000

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