| cycle | period description | year |
|---|
| tide precession | spring tides to realign with calendar date | 7.3 |
| tidal cycle | sun-moon-earth configuration induced oscillation | 9.015 |
| lunar standstill | nodal period when declination of the moon reaches max, Kola cycle | 18.6 |
| lunar absidal | when sidereal period exceeds anomalistic period by one month | 8.85 |
| jupiter sidereal | tidal sidereal period of jupiter | 11.86 |
| tidal saros | Saros cycle period of eclipses of the sun and moon | 18.03 |
| lunar harmonic | one third of the lunar standstill, Kola cycle | 6.2 |
| absidal harmonic | one half lunar absidal | 4.42 |
| jupiter harmonic | one half jupiter sidereal | 5.93 |
